EXECUTION VERSION

June 19, 2018

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

Attn: Amanda Ravitz, Assistant Director

Ladies and Gentlemen:

As representatives of the several underwriters of the Company’s proposed initial public offering, we hereby join the Company’s request that the effective date of the above-referenced Registration Statement be accelerated so that the above-referenced Registration Statement will be declared effective at 4:00 p.m., Eastern Time, on June 21, 2018, or as soon thereafter as is practicable.

Pursuant to Rule 460 of the General Rules and Regulations of the Securities and Exchange Commission under the Securities Act of 1933, as amended, we wish to advise you that we have effected the following distribution of the Company’s Preliminary Prospectus, dated June 11, 2018, through the date hereof:

Preliminary Prospectus dated June 11, 2018:

902 copies to prospective underwriters, institutional investors, dealers and others

The undersigned advises that it has complied and will continue to comply, and that it has been informed by the participating underwriters and dealers that they have complied with and will continue to comply, with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934, as amended.

[Remainder of Page Intentionally Left Blank]

Very truly yours,

As Representatives of the several Underwriters

EVERCORE GROUP L.L.C.

By:     /s/ Jordan Webb                             

Name: Jordan Webb

Title: Managing Director

CANTOR FITZGERALD & CO.

By:     /s/ John Belle                                

Name: John Belle

Title: COO

JMP SECURITIES LLC

By:     /s/ Sean Cessna                            

Name: Sean Cessna

Title: Managing Director, Head of Healthcare Investment Banking

[Signature Page to Underwriter Acceleration Request]