Iqbal, Khalid http://orcid.org/0000-0002-3312-4259
Schwingshackl, Lukas
Floegel, Anna
Schwedhelm, Carolina
Stelmach-Mardas, Marta
Wittenbecher, Clemens
Galbete, Cecilia
Knüppel, Sven
Schulze, Matthias B.
Boeing, Heiner
Funding for this research was provided by:
German Federal Ministry of Science (01 EA 9401)
European Union (SOC 95201408 05F02)
Higher Education Commission of Pakistan and German Academic Exchange Program, Germany (50015451)
Article History
Received: 20 November 2017
Accepted: 8 May 2018
First Online: 14 May 2018
Compliance with ethical standards
:
: Authors declare no conflict of interest.