function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. M', 4],
    ['Askew, Richard R. & Melika, George & Pujade-Villar, Juli', 17],
    ['Bubeníková, Kristýna & Pujade-Villar, Juli & Janšta, Petr', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 160],
    ['Do, M. & A. K', 2],
    ['Janšta, Petr & Bouček, Zdeněk', 1],
    ['Lotfalizadeh, Hossein & Karimpour, Younes & Delvare, Gérard', 1],
    ['Matsuo, Kazunori', 35],
    ['Matsuo, Kazunori & Yang, Man - Miao & Tung, Gene - Sheng', 4],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Pérez-Benavides, A. Lucía & Hernández-Baz, Fernando', 2],
    ['Stojanova, A. & Ghahari, H.', 5],
    ['Viciriuc, Ionela-Mădălina & Mitroiu, Mircea-Dan', 1],
    ['Walker, Francis', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=235)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);