We are grateful to the following referees for the invaluable advice they have provided in 2019.
Ibukun Afolabi
Gokmen Arslan
Theodore Bartholomew
LaVerne Berkel
Sandy Berzins
David Blustein
Nick Bolsover
Peggy Brady-Amoon
Jason Brown
Walter Buboltz
Caitlyn Cannon
Laura Cariola
David F. Carreno
Tony Cassidy
Harold Chui
Ann Futterman Collier
Sandra Collins
Collie Conoley
Mick Cooper
Stephen Diamond
Gary Diamond
Changming Duan
Robert Elliott
David M. Erekson
Julia Falk
Barry A. Farber
Giulio de Felice
Hadar Fisher
Skyler Fitzpatrick
Mark Friffiths
Isabel Caro Gabalda
Yunkyoung Garrison
Nicola Gazzola
Simon B. Goldberg
Geoffrey Goodman
Rod Goodyear
David Greenan
Claudia Harzer
Sarah Hastings
Krystal Hays
Martin Heesacker
Luke F. Heggeness
Gregg Henriques
Clara Hill
Louis Hoffman
Rolf Holmqvist
Kwang-Kuo Hwang
Arpana Inman
Lilian Jans-Beken
Ling Jin
Meliss Jones
Nathan A. Jorgensen
Eileen Joy
Jeffrey Kahn
Divjyot Kaur
Aki Kawamoto
Constance Kellogg
Brian TaeHyuk Keum
ShinYe Kim
Aneesh Kumar
Sue Lease
Nicole Legate
Mega Leung
Shengnan Li
Lina Liw
Allison Lockard
Robert Lueger
Rachel Crook Lyon
Thomas Mackrill
Solomon Makola
Claude-Helene Mayer
Andrew A. McAleavey
Ryon C. McDermott
Eric Miller
Martin Milton
Nancy Murdock
David Dias Neto
Bonnie Nicholson
Johanna Nilsson
Sharon O'Driscoll
Denis O'Hara
Julieta Olivera
Hadassah Littman Ovadia
James Overholser
Rhea Owens
Ray Paloutzian
Jill Paquin
Andres Perez-Rojas
Tuvia Peri
Candice Presseau
Carmel Proctor
Grant J. Rich
Tomas Rihacek
Eeske van Roekel
Julian A. Rubel
Truls Ryum
Nanchatsan Sakunpong
Samuel Salamon
Katharine Schaffer
Robert D. Schweitzer
Charles Scott
Wonjin Sim
Jefferson Singer
Aaron Smith
Drake Spaeth
Pat Spangler
Jacqueline Sparks
Jessica Stahl
Joshua Swift
Jennifer Taylor
Robert Joseph Taylor
Terrill Taylor
Barbara Thompson
Geoffrey Thompson
Saundra Tomlinson-Clarke
A. J. Tormoen
Judith Toronchuck
Roger Tweed
Elisabeth Vanderheiden
Maretha J. Visser
Barbara Vivino
Philip Waikins
ChiaChih DC Wang
C. Edward Watkins
Andrea S. Weintraub
Melanie Wilcox
Kuang-Hui Yeh
Heidi Zetzer
Rongwei Zhang