1. Evidinno Outcomes Research Inc, Vancouver, BC, Canada. mfazeli@evidinno.com
2. Bristol Myers Squibb, Lawrenceville, NJ, USA.
3. Bristol Myers Squibb, Lawrenceville, NJ, and Joulé Inc, Edison, NJ, USA.
4. Evidinno Outcomes Research Inc, Vancouver, BC, Canada.