Pascual, José M. http://orcid.org/0000-0002-3114-0474
Prieto, Ruth
Rosdolsky, Maria
Hofecker, Verena
Strauss, Sewan
Winter, Eduard
Ulrich, Walter
Article History
Received: 26 June 2019
Revised: 20 August 2019
Accepted: 2 September 2019
First Online: 11 September 2019
Compliance with ethical standards
: This article does not involve research on human patients and/or animals. It is a historical study in accordance with existing ethical requirements.
: The authors declare that they have no conflict of interest.