First Online: 6 June 2020
Compliance with Ethical Standards
: Mrs. Hottinger reports grants from the Consortium of Eosinophilic Gastrointestinal Disease Researchers (CEGIR; Administrative Core, U54AI117804), outside the submitted work. Dr. Mukkada reports consulting fees from Shire/Takeda, outside the submitted work. The other authors declare no conflicts of interest relevant to this manuscript.
: This article does not contain any studies with human or animal subjects performed by any of the authors. All reported studies/experiments with human or animal subjects performed by the authors have been previously published and complied with all applicable ethical standards (including the Helsinki declaration and its amendments, institutional/national research committee standards, and international/national/institutional guidelines).