From the *Department of Pediatric Pneumology and Immunology, ‡Department of Immunology, §Institute of Hygiene and Environmental Medicine, †Sozialpädiatrisches Zentrum, and ¶Department of Dermatology, Charité-Universitätsmedizin Berlin, Berlin, Germany; ‖Kinderarztpraxis Invalidenstr., Berlin, Germany; **Department of Pediatric Immunology and Rheumatology, ††Immunological Diagnostics Laboratory, Dr. von Hauner Childrens’s Hospital, Ludwig-Maximilians-Universität, Munich, Germany; ‡‡Labor Berlin GmbH, Fachbereich Immunologie, Charité-Universitätsmedizin -Vivantes, Berlin, Germany; and §§Berlin Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, Berlin, Germany.
Accepted for publication February 15, 2017.
The authors have no funding or conflicts of interest to disclose.
Address for correspondence: Renate Krüger, MD, Department of Pediatric Pneumology and Immunology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany. E-mail: [email protected].