This program may be canceled or postponed because of unforeseen circumstances. If a program is cancelled or postponed, Quantum Espresso will refund registration fees but cannot be held responsible for any other related costs, charges, or expenses, including cancellation/change charges assessed by airlines or travel agencies. Individuals canceling prior to April 30th will be assessed a $75 cancellation fee. No refunds or cancellations made after April 29th. Substitutions can be made at any time.