2011-10-01
美国眼科学会(AAO,American Academy of Ophthalmology)
2011-09-24
美国骨科医师学会(AAOS,American Academy of Orthopaedic Surgeons)
2011-06-15
美国耳鼻咽喉头颈外科学会(AAO-HNS,American Academy of Otolaryngology-Head and Neck Surgery)
2011-01-01
2010-12-04
2010-11-01
2010-10-01
2010-06-18