The process of data collection and management at baseline and during follow-up period is summarised in 9 steps as follows: (1) patient list review; (2) patient recruitment; (3) first data collection at baseline (data from patient interviews); (4) random allocation; (5) first counselling (intervention group only); (6) second data collection at baseline (data from medical records); (7) second counselling (intervention group only); (8) first outcome measurement (at 1 month after discharge); (9) second outcome measurement (at 3 months after discharge).