No purchase necessary. This promotion is available only to life science professionals 21 years or older. Free poster is available to eligible participants who register on the thermofisher.com website no later than December 31, 2017 or until gift supplies are depleted, whichever comes first. The estimated value of the poster is $5 USD. One free gift per person. Healthcare professionals cannot participate. By registering, you warrant that you are not prohibited by employment, contract, or law from accepting a gift from Thermo Fisher Scientific. Offer void in where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.