Fig. 2From: Effects of relaxing breathing paired with cardiac biofeedback on performance and relaxation during critical simulated situations: a prospective randomized controlled trialThe study flow chart described this prospective randomized controlled study involved three parallel arms and a hypothesis of superiority (1:1:1 allocation). The figure follows the guidelines of Moher et al. 2010 (Moher et al., CONSORT explanation and elaboration: updated guidelines for reporting parallel group randomised trials. BMJ, 2010)Back to article page