1. University of Pennsylvania, Philadelphia, PA, USA
2. University of Rochester, Rochester, NY, USA
3. Center of Excellence for Suicide Prevention Canandaigua VA Medical Center, Canandaigua, NY, USA
4. University of Freiburg, Freiburg, Germany
5. Northumbria University, Newcastle upon Tyne, Tyne and Wear, UK
6. Stanford University School of Medicine, Stanford, CA, USA