Birbrair, Alexander (Department of Radiology, Columbia University, USA; Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Brazil)
（6）
Eric Foner (Columbia University),Kathleen DuVal (University of North Carolina at Chapel Hill),Lisa McGirr (Harvard University)
（6）
Eric Foner (Columbia University)
（5）
Adam (University of British Columbia Okanagan Jones Canada)
（4）
C. B. (Univ. of Missouri Chastain College of Veterinary Medicine Columbia USA)
（4）
Inc. Columbia Books (COR)
（4）
Birbrair, Alexander (Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil<br>Department of Radiology, Columbia University Medical Center, Medical Center,
（3）
Tuplin, Christopher J. (University of Liverpool),Ma, John (Columbia University)
（3）
;Chen, Jinhua (University of British Columbia, Canada)
（2）
Alan Richardson (University of British Columbia)
（2）
Amina (Teachers College Tawasil Columbia University)
（2）
Anders (University of British Columbia Kraal Vancouver)
（2）
Andrea (University of the District of Columbia Adams USA),Elsa Marie (Red Dot Foundation D' Silva India)
（2）
Barros, Sandro R.,de Oliveira, Luciana C. (Columbia University, USA)
（2）
Betty (University of Victoria Davies British Columbia Canada),Rose (York University Steele Ontario Canada),Jennifer (Children's Hospital Los Angeles Baird California USA)
（2）
Brian (Columbia University Kulick USA)
（2）
