[1] Rady Childrens Hosp, Div Pediat & Adolescent Dermatol, San Diego, CA USA
[2] Univ Calif San Diego, Dept Pediat, San Diego, CA 92103 USA
[3] Univ Calif San Diego, Dept Med Dermatol, San Diego, CA 92103 USA
[4] Valley Hosp Med Ctr, Dermatol Sect, Las Vegas, NV USA
[5] Suny Downstate Med Ctr, Dept Dermatol, Brooklyn, NY 11203 USA
[6] Dell Childrens Med Ctr, Austin, TX USA
[7] UT Southwestern Med Sch, Dept Dermatol, Dallas, TX USA
[8] Baylor Coll Med, Dept Pediat, Houston, TX 77030 USA
[9] Baylor Coll Med, Dept Dermatol, Houston, TX 77030 USA
[10] Univ Cincinnati, Coll Med, Dept Dermatol, Cincinnati, OH USA
[11] Univ Cincinnati, Coll Med, Dept Pediat, Cincinnati, OH USA
[12] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[13] Northwestern Univ, Dept Pediat, Feinberg Sch Med, Evanston, IL 60208 USA
[14] Northwestern Univ, Dept Dermatol, Feinberg Sch Med, Evanston, IL 60208 USA
[15] Ann & Robert H Lurie Childrens Hosp Chicago, Div Dermatol, Chicago, IL USA
[16] NYU, Sch Med, Ronald O Perelman Dept Dermatol, New York, NY USA
[17] Childrens Hosp Philadelphia, Sect Pediat Dermatol, Philadelphia, PA 19104 USA
[18] Univ Penn, Perelman Sch Med, Dept Pediat, Philadelphia, PA 19104 USA
[19] Univ Penn, Perelman Sch Med, Dept Dermatol, Philadelphia, PA 19104 USA
[20] Rady Childrens Hosp, Div Pediat & Hosp Med, San Diego, CA USA
[21] Thomas Jefferson Univ, Jefferson Med Coll, Dept Dermatol, Philadelphia, PA 19107 USA
[22] Penn State Univ, Dept Dermatol, Coll Med, University Pk, PA 16802 USA
[23] Penn State Hershey Childrens Hosp, Dept Pediat, Hershey, PA USA