1 The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
2 Brown University, Providence, Rhode Island, USA.
3 Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA.
4 Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA; Department of Epidemiology, The Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA.
5 Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA; Department of Epidemiology, The Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA. Electronic address: eunyoung_cho@brown.edu.