Acknowledgment of Reviewers 2021

Chitrangada Acharya

Francisca Acosta

Sezin Aday

Ashu Agarwal

Vipul Agarwal

Mark Ahearne

Tilman Ahlfeld

Taufiq Ahmad

Tamer Ahmed

Ana Aiastui

Sadanori Akita

Francisca Alagboso

Patricia Albanese

Michael B. Albro

Sarmad Al-Sahaf

Eben Alsberg ^†

Guillermo Ameer

Jia An

Ika Ana

Deirdre Anderson

Stelios Andreadis

Tahera Ansari

Jun Araki

Wataru Ariyoshi

Andreas Arkudas

Ubaldo Armato

Sabareeswaran Arumugam

Kjetil Ask

Kyriacos Athanasiou

Matthias Aurich

Seyoum Ayehunie

Ahmad Azlina

Stephen Badylak

Vito Antonio Baldassarro

Amit Bandyopadhyay

Sebastien Banzet

Ji Bao

Leandra Santos Baptista

Jens Baron

Limor Baruch

Chris Bashur

Stefan Baudis

Petra Bauer-Kreisel

Roger Bayston

Anne Bernhardt

Travis Block

Torsten Blunk

Gordon Blunn

Brigida Bochicchio

Bouke Boekema

Ehsan Bonyadi Rad

Gino Bradica

Daniel Brandhorst

Luke Brewster

Jan Brinchmann

J. Bulinski

Colin Butler

Qing Cai

Sarah Calve

Laura Calza

Ranieri Cancedda

Carmen Carda

Ana Cláudia Carreira

Victor Carriel

Carola Cavallo

Stéphane Chabaud

Ching Wan Chan

Kaushik Chatterjee

Maria Chatzinikolaidou ^†

Fa-Ming Chen

Min-Huey Chen

Shanshan Chen

Yuanwei Chen

Ke Cheng

Dong-Woo Cho

Seung-Woo Cho ^†

Byung Hyune Choi

Dongho Choi

Ji Young Choi

Yu Suk Choi

Thomas Chow

Karen Christman

Robert Christy

Riccardo Cicchi

Davide Confalonieri

Paul R. Cooper

Benjamin Corona

David Corr

Ana Rita Costa-Pinto

Cody Crosby

Jianwu Dai

Ali Darabi

Jeffrey Davidson

Mylene de Ruijter

Santanu Dhara

Giuseppe Di Taranto

Isabel Dias

Allan Dietz

Jianxun Ding

Francesca Diomede

Ruslan Dmitriev

Sun Hee Do

Eva Dohle

Bin Duan

Georg Duda

Andrew Dudley

Garry Duffy ^†

Francesca Duncan

Nat Dyment

Mehdi Ebrahimi

Susumu Eguchi

Christopher Evans

Mario Fabiilli

Jiabing Fan

Ali Farrokhi

Brooke L. Farrugia

Robert Fenton

Constanςa Figueiredo

C. Finck

Cibely Fontes Oliveira

Johannes Frank

Joseph Freeman

Donald Freytes

Kai-Yuan Fu

Michele Gallo

Andres Garcia

Daniel Garcia-Ovejero

E. L. Gastal

Zulma Gazit

John Geibel

Sharon Gerecht

Lucie Germain

Francesca Gervaso

Shahram Ghanaati

Steven Ghivizzani

Pierre Gillet

Juliane Glaeser

Aaron Goldstein

Manuela Estima Gomes ^†

Pedro Gomes

Stuart Goodman

Debra A. Gook

Riccardo Gottardi

Mohammed Grawish

David Greenhalgh

Brunella Grigolo

Karl-Henrik Grinnemo

Jürgen Groll ^†

Reinhard Gruber

Melissa Grunlan

Qi Gu

Deborah Guest

Farshid Guilak ^†

Olivier Guillaume

Sarah Gullbrand

Baolin Guo

Mariah Hahn

Dong-Wook Han

David Hart

Håvard Haugen

Axel Haverich

Chaoliang He

Chuanglong He

Liumin He

Xiaomin He

Su Chin Heo

Marietta Herrmann

Atsuhiko Hikita

Karl Hillebrandt

Wolfgang Holnthoner

Yoshitomo Honda

Yi Hong

James B. Hoying

Weikang Hu

Di Huang

Nathaniel Huebsch

Clark Hung

Dietmar Hutmacher

Eileen Ingham

Ander Izeta

John Jansen ^†

Ambalangodage Jayasuriya

Marc Jeschke

Stefan Jockenhoevel

Brian H. Johnstone

Abdol-Mohammad Kajbafzadeh

Rita Kandel

Thomas J. Kean

Firdos Khan

Arash Kheradvar

Kristopher Killian

Do-Gyoon Kim

Hae-Won Kim

Han Su Kim

Kyobum Kim

Tae-Hyung Kim

Suzanne King

Shinji Kitamura

Seda Kizilel

Agnes Klar

Gerd Klein

Dimitris Kletsas

Petra J. Kluger

Hyun Joon Kong

Xiangdong Kong

Petek Korkusuz

Tatiana Kostrominova

Akhilesh Kumar

Sangamesh Kumbar

Mirasbek Kuterbekov

Seong Keun Kwon

Damien Lacroix

Mai Lam

Mikko J. Lammi

Senentxu Lanceros-Mendez

Anna Lange-Consiglio

Danielle Larouche

Tamás Laskay

Antonina Lavrentieva

Pierre Layrolle

Charles Lee

Eng Hin Lee

Jong-Kook Lee

Jungwoo Lee

Kangwon Lee

Anne Leferink

Hannah Levis

Phillip Lewis

Xiaoming Li ^†

Yan Li

Chien-Chi Lin

Chih-Hsun Lin

Hai Lin

Hang Lin

Stephen W. Linderman

Yuelian Liu

Yunsong Liu

Yan-Ru Lou

Justin Lowenthal

Jiaju Lu

Enrico Lucarelli

Oleg Lunov

Jiesi Luo

Ying Luo

Sundararajan Madihally

Bhushan Mahadik

Athanasios Mantalaris

Theo Mantamadiotis

Juan Antonio Marchal

Ross Marklein

Alexandra Marques

Márcia M Marques

Kacey Marra

Eleonora Marsich

Ivan Martin

Julia Marzi

Antonios Matsakas

Takuya Matsumoto

Michiya Matsusaki

Csaba Matta

Susanne Mayer-Wagner

Helen S. McCarthy

Peter McFetridge

Juan Melero-Martin

Christopher L. Mendias

Antonietta Messina

Esther Middelkoop

Nicolai Miosge

Thomas Mittlmeier

Guido Moll

Michael Monaghan

Edgar Montufar

Matteo Moretti

Fabiola Munarin

Patricia Murray

Kerim Mutig

Shantikumar Nair

Christoph Nau

Simona Neri

Min Hwei Ng

Wei Long Ng

Mehdi Nikkhah

Andreas K. Nussler

Rei Ogawa

Ozgur Oktem

Neslihan Ustundag Okur

Patrick Orth

Simone Pacini

Miguel Padial-Molina

Elzbieta Pamula

Abhay Pandit ^†

Joo-Cheol Park

Kwideok Park

W. C. Parks

Jennifer Patterson

Karin A. Payne

Ming Pei

Gadi Pelled

Sara Perteghella

George Pins

Rogerio Pedro Pirraco

Darren J. Player

Lilian Plotkin

Ryan Porter

Heather Powell

Michela Pozzobon

Lauren Priddy

Milica Radisic ^†

Shreyas Rao

Christopher Raub

Heinz Redl

Yvonne Reinwald

Victor Túlio Ribeiro-Resende

Wiltrud Richter

Ugo Ripamonti

Thomas Ritter

Jan Robering

Scott J. Roberts

Zhigang Rong

Jeroen Rouwkema

Changshun Ruan

Jeffrey W. Ruberti

Vikram Sabapathy

Christiane Salgado

Vehid Salih

Iain Sander

Masato Sato

Justin Saul

Arnaud Scherberich

Nathan Schiele

Christine Schmidt

Cornelia Schneider

Anton Sculean

Stephanie Seidlits

Young Kwon Seo

R. M. Shanti

Anup D. Sharma

Songtao Shi

Tatsuya Shimizu

Toshiharu Shinoka

Christopher A. Siedlecki

Vassilios Sikavitsas

Agneta Simionescu

Dan Simionescu

Rodrigo A. Somoza

Kedong Song

Carlos Sonnenschein

Celine Souilhol

Bart Spee

Andreas Stavropoulos

Daniel Steller

Martin Stoddart

Xanthe Strudwick

Ryo Sudo

Shigeki Sugii

Wendell Sun

Xun Sun

Fatima Syed-Picard

Naoki Tanimizu

K. Elizabeth Tanner

Kandice Tanner

Maria-Cristina Tanzi

Alexander Tatara

Johnna Temenoff ^†

Herbert Tempfer

Dilip Thomas

Peter Tiidus

Wei Seong Toh

Robert Tranquillo

George A Truskey

Wei-Bor Tsai

Neill Turner

Masafumi Uematsu

Melanie Urbanchek

Max Urbanczyk

Henk van Beuningen

Jeroen van den Beucken

Mariano S. Viapiano

Carlos Viegas

Libero Vitiello

Joaquim Vives

Lucienne A. Vonk

Giovanni Vozzi

N. E. Vrana

Gordana Vunjak-Novakovic

Kaisa Vuornos

Kosala Waduthanthri

Darcy Wagner

X. Frank Walboomers

Dong-an Wang

Lianyong Wang

Songbo Wang

Tzi-Wei Wang ^†

Xiumei Wang ^†

Yunbin Wang

Franz Weber

Annika Weigand

Gordon Weir

Joseph Wenke

Matthias Widbiller

Darius Widera

Britt Wildemann

Jeff Wolchok

Matthew Wolf

Willem F. Wolkers

Mark Wong

Fiona Wood

Matthew Wood

Tim Woodfield

Gang Wu

Robert Wu

Feng Xu

Masumi Yamada

Masayuki Yamato

Fang Yang

Lei Yang

Yueh-Hsun Yang

Yumin Yang

Rui Yao

Shenglian Yao

In-Sung Luke Yeo

Zi Yin

Mervin Yoder

Ryuji Yokokawa

Edmond Young

Simon Young

Mei Yu

Aline Zbinden

Mary Zelinski

Dimitrios I. Zeugolis

Lijie Zhang ^†

Qixu Zhang

Shengmin Zhang

Yu Shrike Zhang

Lingyun Zhao

Qiang Zhao

Ying-Yong Zhao

Ying Zheng

Jin Zhou

Jinjin Zhu

Robert Zweigerdt