\begin{thebibliography}{6}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Chen(2007)]{chen2007large}
Xiaohong Chen.
\newblock Large sample sieve estimation of semi-nonparametric models.
\newblock \emph{Handbook of Econometrics}, 6:\penalty0 5549--5632, 2007.

\bibitem[Fan and Peng(2004)]{fan2004nonconcave}
Jianqing Fan and Heng Peng.
\newblock Nonconcave penalized likelihood with a diverging number of
  parameters.
\newblock \emph{The Annals of Statistics}, 32\penalty0 (3):\penalty0 928--961,
  2004.

\bibitem[Lorentz(1966)]{lorentz1966approximation}
G.G. Lorentz.
\newblock \emph{Approximation of Functions}.
\newblock Holt, Rinehart and Winston, 1966.

\bibitem[Rosenblum and Van Der~Laan(2009)]{rosenblum2009using}
Michael Rosenblum and Mark~J Van Der~Laan.
\newblock Using regression models to analyze randomized trials: Asymptotically
  valid hypothesis tests despite incorrectly specified models.
\newblock \emph{Biometrics}, 65\penalty0 (3):\penalty0 937--945, 2009.

\bibitem[Wang et~al.(2023)Wang, Susukida, Mojtabai, Amin-Esmaeili, and
  Rosenblum]{wang2021model}
Bingkai Wang, Ryoko Susukida, Ramin Mojtabai, Masoumeh Amin-Esmaeili, and
  Michael Rosenblum.
\newblock Model-robust inference for clinical trials that improve precision by
  stratified randomization and covariate adjustment.
\newblock \emph{Journal of the American Statistical Association}, 118\penalty0
  (542):\penalty0 1152--1163, 2023.

\bibitem[White(1982)]{white1982maximum}
Halbert White.
\newblock Maximum likelihood estimation of misspecified models.
\newblock \emph{Econometrica}, 50\penalty0 (1):\penalty0 1--25, 1982.

\end{thebibliography}
