Exhibit 99.1 1. HealthCor Management, L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 2. HealthCor Associates, LLC, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 3. HealthCor Hybrid Offshore Master Fund, L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 4. HealthCor Hybrid Offshore GP, LLC, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 5. HealthCor Group, LLC, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 6. HealthCor Offshore GP, LLC, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 7. HealthCor Offshore, Ltd., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 8. HealthCor Hybrid Offshore, Ltd., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 9. HealthCor Capital, L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 10. HealthCor L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 11. Healthcor Offshore Master Fund, L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 12. Healthcor Long Offshore Master Fund, L.P., 152 W. 57th Street, 43rd Floor, New York, NY 10019; 13. Healthcor Long Master GP, LLC, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 14. Arthur Cohen, 152 W. 57th Street, 43rd Floor, New York, NY 10019; 15. Joseph Healey, 152 W. 57th Street, 43rd Floor, New York, NY 10019;
