Funding for this research was provided by:
Center for Compassion and Altruism Research and Education
Text and Data Mining valid from 2017-11-29
First Online: 29 November 2017
Compliance with Ethical Standards
: The research study was approved by the ethics committee at Stanford University, prior to participant recruitment.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants prior to their inclusion in the study.