1. Ingram School of Nursing, McGill University, Montreal, Quebec, Canada
2. Shriners Hospitals for Children-Canada , Montreal, Quebec, Canada
3. The Hospital for Sick Children , Toronto, Ontario, Canada
4. Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
5. Bone and Mineral Unit, Division of Endocrinology, Universidade Federal de São Paulo, Sao Paulo, Brazil
6. School of Physical and Occupational Therapy, McGill University, Montreal, Quebec, Canada