aDivision of Rheumatology, Allergy, & Immunology, University of Cincinnati School of Medicine, Cincinnati, Ohio

bAllergy Partners of Central Indiana, Indianapolis, Indiana

cDilley Allergy and Asthma Specialists, San Antonio, Texas, USA

Correspondence to Tolly E.G. Epstein, MD, MS, Division of Rheumatology, Allergy, & Immunology, University of Cincinnati School of Medicine, Cincinnati, OH 45221, USA. Tel: +1 317 924 8297; fax: +1 317 924 8239; e-mail: [email protected]