Randomization
After providing written informed consent, patients were randomized, using a computerized system that generated random numbers for a ratio of 1:1 to the intervention or the control group. The numbers were generated by an engineer and provided in closed-opaque envelopes to the nurse coordinator to apply to the patient once the consent form was completed. Patients were assigned to the intervention (HCD) or control group (petrolatum), and researchers, outcome adjudicators