Contribution to authorship
RDL conceived and designed the project in collaboration with DAR. DAR and AKN coordinated regulatory approval and patient recruitment. Anthropometric measurements, blood collection and processing were undertaken by AKN and RDL. RDL performed most the complement measurements. RDL and DF carried out statistical analysis. DAR, DF and RDL contributed to the interpretation of data. RDL and DAR wrote the manuscript with input from DF.