Edward A. Bortnichak, MPH, PhD

Merck & Co., Inc.

Merck & Co. Inc. (Employment)

Poster(s):

• (P-321) Epidemiology of Treatment Resistant Depression in the US

• (P-493) Comparison and Contrast of Antibiotic Utilization and Outcomes in Hospital-acquired Pneumonia (HAP), Ventilated HAP (vHAP) and Ventilator Associated Pneumonia (VAP) in the United States

• (P-569) Comorbidities Associated with Insomnia Stratified by Age and Sex