(a) The rights and remedies granted to an employee subject to this chapter, on account of personal injury or death by accident, including a minor whether lawfully or unlawfully employed, shall exclude all other rights and remedies of the employee, the employee's personal representative, dependents or next of kin, at common law or otherwise, on account of the injury or death.
(b) This section shall not be construed to preclude third party indemnity actions against an employer who has expressly contracted to indemnify the third party.