Fig. 1From: The effect of lavender aroma for anxiety disorder: a study protocol for a multicenter, double-masked, randomized, placebo-controlled clinical trialFlowchart of the study schedule. GAD = generalized anxiety disorder; PD = panic disorder; STAI = State Trait Anxiety Inventory; SDS = Self-Rating Depression Scale; GHQ60 = General Health Questionnaire 60; PSQI = Pittsburgh Sleep Quality IndexBack to article page