2. Patients with bleeding at the time of inclusion, or patients with a history of clinically evident bleeding episodes and/or with increased bleeding due to any other homeostatic alteration that contradicts anticoagulant treatment and/or in the past two months have presented at least one of the following situations: active hemorrhaging or organic lesions susceptible to bleeding (e.g. active peptic ulcer, hemorrhagic cerebrovascular accident, or aneurysms).