1. Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, Worcester, MA 01655, USA.
2. Department of Dermatology, University of Massachusetts Medical School, Worcester, MA 01655, USA.
3. Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
4. Department of Dermatology, Peking University People’s Hospital, Beijing, China.