Inclusion Criteria:  Received treatment with BIVV003 or ST-400 in one of the parent studies (ACT16222, ST- 400-01) or any future studies with BIVV003 Capable of giving signed informed consent (and if applicable assent)  Exclusion Criteria:  Unable to comply with study visit schedule or study procedures Any other reason that, in the opinion of the Investigator or Medical Monitor, would render the participant unsuitable for participation in the study The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.