The full list of signatories to this letter of September 2016:
Jay D. Amsterdam, MD
Leemon B. McHenry, PhD
Jon N. Jureidini, MB, PhD
Bernard J. Carroll, MBBS, PhD, FRCPsych
Trudo Lemmens, LicJur, LLM, DCL
Thomas A. Ban, MD, FRCP(C)
James G. Williams, PhD
Erick H. Turner, M.D.
Robert T. Rubin, MD, PhD
Edward Shorter, PhD FRSC
John M. Nardo, MD
James C. Coyne, PhD
Susan Molchan, M.D.
Sidney Rosenfeld, PhD
Donald F Klein MD DSc
Samuel Gershon, MD, FRCP
Mark Kramer, MD, PhD
Barry Blackwell, MD
Please see this related post.