Funding for this research was provided by:
SCAN Health Plan
Text and Data Mining valid from 2018-01-25
Received: 6 September 2017
Accepted: 9 January 2018
First Online: 25 January 2018
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: All procedures performed in this project involving human participants were in accordance with the ethical standards of our institutional review board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standard.
: Informed consent was obtained from all individuals participants included in the study.