1. Martinos Center for Biomedical Imaging; Massachusetts General Hospital; Harvard Medical School; Charlestown MA USA
2. Department of Radiology; Logan University; Chesterfield MO USA
3. Department of Dermatology; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
4. Department of Dermatology and Allergy; Technische Universität München; Munich Germany
5. Program in Placebo Studies; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA USA
6. Department of Prevention and Sports Medicine; Technische Universität München; Munich Germany