1 Department of Dermatology, Columbia University Irving Medical Center, Herbert Irving Pavilion, 12th Floor, New York, NY, 10032, USA. mht2132@cumc.columbia.edu.
2 Department of Dermatology, Columbia University Irving Medical Center, Herbert Irving Pavilion, 12th Floor, New York, NY, 10032, USA.
3 Department of Biostatistics, Columbia University Mailman School of Public Health, New York, NY, USA.