No hospital which is a participant in such a trust, as grantor, member, beneficiary or otherwise, shall be liable or obligated to the trust, to the trustee, to any other grantor, member or beneficiary, to any creditor of the trust or to any other person by virtue of its participation other than for the payment of its full agreed contribution to the trust in accordance with the trust agreement. Without limiting the generality of the foregoing, no participating hospital shall incur any other liability of any nature whatever because of or arising out of its participation in such a trust.