1. Value Evidence and Outcomes, GlaxoSmithKline plc., Collegeville, PA, USA
2. Optum, Johnston, RI, USA (at the time of study)
3. Clinical Sciences, GlaxoSmithKline plc., Uxbridge, MDX, UK
4. Department of Allergy, Kaiser Permanente Medical Center, San Diego, CA, USA
5. US Value Evidence and Outcomes, GlaxoSmithKline plc., Research Triangle Park, NC, USA (at the time of study)
6. Value Evidence and Outcomes, GlaxoSmithKline plc., Brentford, MDX, UK