Study design
MATCH was a within-patient, multicenter prospective study designed to compare the accuracy of MTO with that of AVS in predicting unilateral PA. Patients were recruited from three study sites in the United Kingdom: St Bartholomew’s Hospital, Queen Mary University of London (SBH); Addenbrooke’s Hospital, University of Cambridge (CUH); and Guy’s and St Thomas’ Hospital (GSTT). The study was conducted in accordance with principles of the Declaration of Helsinki. The study protocol was approved by the National Research Ethics Service (Dulwich Research Ethics Committee; Integrated Research Application System project ID 189508) and the Health Research Authority and Administration of Radioactive Substances Advisory Committee and registered on ISRCTN (identifier 91387205; 10.1186/ISRCTN91387205) and on ClinicalTrials.gov (identifier 