“The Applicants’ costs of and incidental to the proceedings herein (including in respect of any costs previously reserved) shall be paid by the [clinic – Barts], with any dispute as to the quantum of those costs (including the question of what, if any, interest should be paid) being referred to the President of the Family Division for determination if the quantum thereof is not agreed …, and with any such dispute to be determined on the basis of such written submissions as may be delivered by e-mail to the Clerk to the President of the Family Division by10 June 2016 and any such further procedure as the President of the Family Division may then require.”