Spital Affoltern, Sonnenbergstrasse 27, Affoltern a. Albis, Kanton ZĂ¼rich, Switzerland.
Correspondence: Katja Bohner, MNSc, Spital Affoltern, Sonnenbergstrasse 27, Affoltern a. Albis, Kanton ZĂ¼rich, Switzerland ([email protected]).
The author has disclosed that she has no significant relationships with, or financial interest in, any commercial companies pertaining to this article.