Published on in Vol 7 , No 8 (2019) :August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13414, first published
.

1 The Graduate School of Business Administration, Bar-Ilan University, Ramat Gan, IL
2 Allergy-Centre-Charite, Department of Dermatology and Allergy, Charite-Universitatsmedizin Berlin, Berlin, DE