Sand, M.
Hessam, S.
Sand, D.
Bechara, F. G.
Vorstius, C.
Bromba, M.
Stockfleth, E.
Shiue, I.
Article History
Received: 1 June 2016
Revised: 26 August 2016
Accepted: 5 September 2016
First Online: 14 October 2016
Compliance with ethical guidelines
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: M. Sand, S. Hessam, D. Sand, F.G. Bechara, C. Vorstius, M. Bromba, E. Stockfleth, and I. Shiue state that they have no competing interest.
: All studies on humans described in the present manuscript were carried out with the approval of the responsible ethics committee and in accordance with national law and the Helsinki Declaration of 1975 (in its current, revised form). Informed consent was obtained from all patients included in studies.
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