Department of Medicine, Allergy, Immunology and Ophthalmology, Hackensack Meridian School of Medicine, Center of Environmental Prediction, Rutgers University, Center for Aerobiological Research, Kean University, Newark, New Jersey, USA

Correspondence to Leonard Bielory, MD, 400 Mountain Avenue, Springfield, NJ 07081, USA. Tel: +1 201 463 5495; e-mail: [email protected]