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T H E S I S D E F E N S E
Candidate: Samah Zahran, MSc Candidate
Supervisor: Ian Janssen
Date: Tuesday, June 1, 2021
Time: 9:30 am
Location: Via Zoom
Discipline: Physical Activity Epidemiology
Thesis Title: Compositional Associations of Time Spent in Sleep, Screen Time, and Physical Activity with Polysubstance Use in Adolescents.
Guests are eligible to attend remote defenses (as of July 31, 2020) – If interested in attending this defense, please contact the Supervisor for permission.