Minimal case
\documentclass{article}
\usepackage[T1]{fontenc}
\begin{document}
\title{Investigation of the Neuronal Component of Purkinje Fibers with Suppressed Simple Spikes \\ Plan of the Research}
\author{MB SB Sami Lorem, Lorem Lorem Ipsun, Hello World, PhD Ipsun Lorem}
\begin{titlepage}
\maketitle
\end{titlepage}
\end{document}
which looks like

I do not like so much the big title, since subtitle and title are the same size. If there is any standard of some major university, please, mention it.
How can you type better the titlepage of the research plan? Is there any ready package for that. I think the subtitle should be smaller than the bigger title. However, I am not sure if Plan of the Research is the title and the long thing only subtitle, or vice versa.
