IEEE ACCESS、\headeretal 号。タイトルがテンプレートの境界を越えています

Question

\markboth{\hederetal} を使用すると、タイトルがテンプレートの境界から外れてしまいます。添付の​​図に示すように、IEEE アクセス テンプレートの境界内にタイトルを収める方法を教えてください。

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\begin{document}
    \history{Date of publication xxxx 00, 0000, date of current version xxxx 00, 0000.}
    \doi{10.1109/ACCESS.2017.DOI}

    \title{Virtual Network Functions: A comprehensive survey and research aspects in designing and implementation
        through ETSI Standard Architecture and Mnanagement Perspective}


    \markboth
    {Shantharama \headeretal: Virtual Network Functions: A comprehensive survey and research aspects in designing and implementation
    through ETSI Standard Architecture and Mnanagement Perspective }
    {Shantharama \headeretal: Virtual Network Functions: A comprehensive survey and research aspects in designing and implementation    through ETSI Standard Architecture and Mnanagement Perspective }

    \begin{abstract}
        These instructions.
    \end{abstract}

    \begin{keywords}
        Virtualized Network Function (VNF), 
        Network Function Virtualization (NFV),
        Container Network Function (CNF),
        NFV Orchestration, 
        Software Defined Networking 
    \end{keywords}

    \titlepgskip=-15pt

    \maketitle

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\begin{abstract}
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\end{document}