Habenicht, R.
Ebenbichler, G.
Bonato, P.
Kollmitzer, J.
Ziegelbecker, S.
Unterlerchner, L.
Mair, P.
Kienbacher, T.
Article History
Received: 3 July 2019
Accepted: 20 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: The data collection was carried out in accordance with the directives given in the Declaration of Helsinki. The study protocol was approved by the Ethics’ committee of the City of Vienna —Number: “EK 11–064-VK-NZ” Full address: Ethikkommission der Stadt Wien Magistratsabteilung 15, Gesundheitsdienst der Stadt Wien 3., Thomas-Klestil-Platz 8 Town Town Tel.: 01/4000–87523.
: All authors have approved the submitted manuscript and vouch for its accuracy.
: The authors declare that they have no competing interests.