Local injection-site reactions (haematoma, haemorrhage, bruising, erythema and oedema formation) were assessed at three time points: acute, approximately 10 min after each injection; short term, at least 1 h after each injection; and long term, 20–48 h after each injection. Therefore, each unique local injection-site reaction could be registered and rated up to three times. All AEs observed by the investigator or reported spontaneously by the participants were recorded.