1. MRC Center for Neuropsychiatric Genetics and Genomics; Department of Psychological Medicine and Neurology; School of Medicine; Cardiff University; Cardiff; UK
2. Department of Dermatology; The Churchill Hospital; Oxford; UK
3. Department of Dermatology; Southern General Hospital; Glasgow; UK
4. Department of Dermatology; Crosshouse Hospital; Ayrshire; UK
5. Department of Psychiatry, Neuropharmacology and Neurobiology Section; National Centre for Mental Health; University of Birmingham; Birmingham; UK