Exhibit 24.2

                                POWER OF ATTORNEY

        The undersigned, GE Medical Systems Information Technologies, Inc., a
Wisconsin corporation (hereinafter referred to as the "Company"), does hereby
make, constitute and appoint each of the persons listed below as the Company's
true and lawful agent and attorney-in-fact (hereinafter referred to as the
"Attorney") to act either together or alone in the name and on behalf of the
Company for and with respect to the matters hereinafter described.

Name of Attorney:

              Kieran Murphy         Stephen Kanovsky
              Raul Grable           Derek Vander Heide

        Each Attorney shall have the power and authority to execute and deliver
any Schedule 13D, Schedule 13G or Forms 3, 4 and 5 or any amendments thereto
required to be filed with the Securities and Exchange Commission under the
Securities Exchange Act of 1934 on behalf of the Company with regard to any
securities owned by the Company or any of its subsidiaries; and, in connection
with the foregoing, to execute and deliver all documents, acknowledgments,
consents and other agreements and to take such further action as may be
necessary or convenient for the Company in order to more effectively carry out
the intent and purpose of the foregoing.

        Agreements, commitments, documents, instruments and other writings
executed by the Attorney in accordance with the terms hereof shall be binding
upon the Company without attestation and without affixation of the seal of the
Company. The Power of Attorney conferred hereby shall not be delegable by any
Attorney. The Attorney shall serve without compensation for acting in the
capacity of agent and attorney-in-fact hereunder.

        Unless revoked by the Company, this Power of Attorney shall be governed
under the laws of the State of New York and the authority of the Attorney
hereunder shall terminate on December 17, 2016.

        IN WITNESS WHEREOF, the Company has caused the Power of Attorney to be
executed, attested and its corporate seal to be affixed as of the 18th day of
December 2015.

                                   GE Medical Systems Information Technologies,
                                   Inc.

                                   By: /s/ Timothy Finnerty
                                       ----------------------------------------
                                       Timothy Finnerty
                                       Secretary