title: Erratum to: Universal Health Coverage in Massachusetts Did Not Change the Trajectory of Arthroplasty Use or Costs.
authors: Exponent, Inc, Philadelphia, PA, USA. skurtz@exponent.com.|, 3401 Market Street, Suite 600, Philadelphia, PA, 19104, USA. skurtz@exponent.com.
authors: Steven M
authors: SM
authors: Kurtz
authors: Exponent, Inc, Menlo Park, CA, USA.
authors: Edmund
authors: E
authors: Lau
authors: Exponent, Inc, Philadelphia, PA, USA.
authors: Kevin L
authors: KL
authors: Ong
authors: Harvard Medical School, Boston, MA, USA.
authors: Jeffrey N
authors: JN
authors: Katz
authors: Dell Medical School, The University of Texas at Austin, Austin, TX, USA.
authors: Kevin J
authors: KJ
authors: Bozic