Ability to provide informed consent Written informed consent Participant willing to provide a written informed consent Able to give informed consent Provide informed written consent Provide informed written consent Ability to provide written informed consent Willing to provide informed written consent Inability to provide informed consent Provide informed written consent Ability to provide informed written consent Patients must be able to provide written informed consent Unable to provide informed consent Patient must have given written informed consent Ability to understand and willing to provide informed consent Participant is unable to provide informed consent Patients must be able to provide written informed consent Patients must be able to provide written informed consent Inability to provide informed consent Patients must be able to provide written informed consent Capable and willing to provide informed consent Be able to provide written informed consent Written informed consent Patients must be able to provide written informed consent Patients must be able to provide written informed consent Patients must be willing and able to provide a written informed consent