1. Drexel University, College of Medicine, Philadelphia, Pennsylvania and The Arthur P. Noyes Research Foundation, Norristown State Hospital, Pennsylvania, USA
2. The Arthur P. Noyes Research Foundation, Norristown State Hospital, Pennsylvania, USA and Ursinus College, Collegeville, Pennsylvania, USA
3. The Arthur P. Noyes Research Foundation, Norristown State Hospital, Pennsylvania, USA
4. University of Northern Colorado, Greeley, USA
5. University of Pennsylvania, Philadelphia, USA and The Arthur P. Noyes Research Foundation, Norristown State Hospital, Pennsylvania, USA
6. The College of New Jersey, Trenton, New Jersey, USA