1. McGovern Medical School, The University of Texas Health Science Center at Houston , Houston, TX , USA
2. Department of Dermatology, Case Western Reserve University School of Medicine , Cleveland, OH , USA
3. Department of Internal Medicine, Vanderbilt University Medical Center , Nashville, TN , USA
4. Department of Dermatology, The Warren Alpert Medical School of Brown University , Providence, RI , USA
5. Department of Dermatology, The University of Texas Health Science Center at Houston , Houston, TX , USA