Funding for this research was provided by:
Institute of Musculoskeletal Health and Arthritis (98002)
Dairy Farmers of Canada (DFC- 417283)
Received: 31 May 2017
Accepted: 15 January 2018
First Online: 28 February 2018
Ethics approval and consent to participate
: All participants or their parents provided informed written consent. Ethics approval was obtained from the University of Saskatchewan and Royal Hospital advisory boards on ethics in human experimentation [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.
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