[1] Scottish Natl Blood Transfus Serv, Natl Sci Lab, Edinburgh EH1 2QN, Midlothian, Scotland
[2] Royal Infirm, SNBTS, Microbiol Reference Unit, Glasgow G31 2ER, Lanark, Scotland
[3] Royal Infirm, SNBTS, Prod Serv Dept, Glasgow G31 2ER, Lanark, Scotland
[4] Royal Infirm, Dept Med, Glasgow G31 2ER, Lanark, Scotland
[5] Royal Hosp Sick Children, Glasgow G3 8SJ, Lanark, Scotland
[6] Ninewells Hosp, Dundee DD1 9SY, Scotland
[7] Royal Hosp Sick Children, Edinburgh EH9 1LF, Midlothian, Scotland
[8] Royal Infirm, Edinburgh, Midlothian, Scotland
[9] SNBTS Natl Sci Lab, Edinburgh, Midlothian, Scotland