Invitation letters for visa purposes will be issued on request after delegate registration starting 1 October 2019. Invitation letters are for visa requirements only and does not imply any financial commitment from the organizers. All expenses involved with attending the congress including registration, airfare, transportation, lodging, meals, insurance and so on are the responsibility of the delegate. Visa letters will be issued to delegates only. Delegates who fail to request their letter of invitation prior to June 1 2020 will not be reimbursed.