Tan, Linette Liqi https://orcid.org/0000-0002-8684-4698
Pelzer, Patric
Heinl, Céline
Tang, Wannan
Gangadharan, Vijayan
Flor, Herta
Sprengel, Rolf https://orcid.org/0000-0003-3370-0970
Kuner, Thomas https://orcid.org/0000-0003-1896-9031
Kuner, Rohini https://orcid.org/0000-0002-3333-9129
Article History
Received: 10 June 2016
Accepted: 15 August 2017
First Online: 18 September 2017
Competing interests
: The authors declare no competing financial interests.