First-party cookies (those placed by Acurian) and third-party cookies (those placed by other parties with whom we work) may be placed on your computer when you visit our Sites for the following purposes: to improve the user experience, including by allowing the Sites to remember you and your preferences as you browse through different pages. to allow us to perform site analytics. and to assess whether visitors to the site later become referrals to clinical trials. One of the ways that we do this is through the use of Google Analytics using data layers listed here.