function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Ronglian & Zhang, Faqi & Chen, Shilong & Chi, Xiaofeng', 1],
    ['De Wilde, Willem J. J. O. & Duyfjes, Brigitta E. E.', 22],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Furtado, Caetano Xavier & Srisuko, M.', 2],
    ['Jarvis, Charlie', 3],
    ['Koehne, Bernhard Adalbert Emil', 2],
    ['McQuate, Grant T. & Liquido, Nicanor J.', 1],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 1],
    ['Suh, Soo-Jung', 1],
    ['Turner, Ian M.', 1],
    ['Whittemore, Alan T. & Schori, Melanie', 1],
    ['Wu, Bao-Huan & Hu, Xing & Tu, Wen-Hui & Wang, Wei & Dai, Se-Ping', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);