Cart Summary Remove item Thumbnail image Product Price Quantity Subtotal × 4. Registration – Co-Author of the Same Paper or Student Group (total for 5 members) $1,300.00 4. Registration – Co-Author of the Same Paper or Student Group (total for 5 members) quantity $1,300.00 Update cart Cart totals Subtotal $1,300.00 Total $1,300.00 Proceed to checkout