1. Newcastle Fertility Centre at LIFE; Newcastle-upon-Tyne Hospitals; Newcastle upon Tyne UK
2. William F. Connell School of Nursing; Boston College; Chestnut Hill, Boston Massachusetts
3. Institute of Genetic Medicine; University of Newcastle-upon-Tyne; Newcastle upon Tyne UK
4. Department of Endocrinology; Newcastle-upon-Tyne Hospitals; Newcastle upon Tyne UK