Translating the BDI and BDI-II into the HAMD and vice versa with equipercentile linking

Toshi A. Furukawa, Mirjam Reijnders, Sanae Kishimoto, Masatsugu Sakata, Robert J. Derubeis, Sona Dimidjian, David J.A. Dozois, Ulrich Hegerl, Steven D. Hollon, Robin B. Jarrett, François Lespérance, Zindel V. Segal, David C. Mohr, Anne D. Simons, Lena C. Quilty, Charles F. Reynolds, Claudio Gentili, Stefan Leucht, Rolf R. Engel, Pim Cuijpers