1. The Glycobiology InstituteDepartment of BiochemistryUniversity of OxfordOxfordOX1 3QUUnited Kingdom
2. The Rega Institute for Medical ResearchFaculty of MedicineUniversity of LeuvenB‐3000LeuvenBelgium
3. Laboratory of Molecular BiophysicsUniversity of OxfordOxfordOX1 3QUUnited Kingdom