Derek Hook (EDT)/ Stijn Vanheule (EDT)/ Callum Neill (EDT)
（3）
George, Sheldon,Hook, Derek (associate professor of Psychology at Duquesne University)
（2）
Hook, Derek (Associate Professor of Psychology at Duquesne University),Neill, Calum,Vanheule, Stijn (Ghent University and private practice, Belgium)
（2）
Hook, Derek (Associate Professor of Psychology at Duquesne University),Vanheule, Stijn (Ghent University and private practice, Belgium)
（2）
Laubscher, Leswin,Hook, Derek (Associate Professor of Psychology at Duquesne University),Desai, Miraj U.
（2）
Robert Sobukwe/ Derek Hook (EDT)
（2）
；Neill, Calum,Hook, Derek (Associate Professor of Psychology at Duquesne University),Vanheule, Stijn (Ghent University and private practice, Belgium)
（2）
Derek Hook (EDT)/ Bradley Franks (EDT)/ Martin Bauer (EDT)
（1）
Derek Hook (EDT)/ Bradley Franks (EDT)/ Martin W. Bauer (EDT)
（1）
Garth Stevens (EDT)/ Norman Duncan (EDT)/ Derek Hook (EDT)
（1）
Stijn Vanheule (EDT)/ Derek Hook (EDT)/ Calum Neill (EDT)
（1）
