**NO PURCHASE NECESSARY TO PARTICIPATE. This promotion is open only to eligible life science professionals 18 years and older in the US (excluding Puerto Rico), Canada, the UK, BeNeLux, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Greece, Hungary, Italy, Norway, Poland, Romania, Russia, Serbia, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland and Turkey, who request a sample no later than 8:00pm U.S. Eastern Time on June 30th, 2017, and complete the Survey and upload comparison data (as described in the complete Terms and Conditions) no later than 8:00pm U.S. Eastern Time on July 31st, 2017. Healthcare Professionals (as that term is defined in the complete Terms and Conditions), whose institutions or regional regulations prohibit participation, and Government Officials residing in Europe, may not participate in this promotion. Limit one entry and one prize per person. By submitting your entry, you warrant that you are not prohibited by employment, contract, or law from accepting a prize from NEB. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws, regulations, or agency/institutional policies. Other restrictions may apply.