Additional file 1 of Registration of phase 3 crossover trials on ClinicalTrials.gov

Additional file 1:S Table 1. Characteristics of phase 3 randomized crossover trials registered on ClinicalTrials.gov (N = 124). S Figure 1. Examples of registering ‘Arms’ and ‘Assigned Interventions’. S Figure 2. Examples of registering ‘Participant Flow’. S Figure 3. An example of registering a time-to-event outcome (NCT00004635). S Figure 4. An example of reporting adverse events by intervention and by period (NCT00518531). S Table 2. Phase 3 randomized crossover trials registered on ClinicalTrials.gov (N = 124).