function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 1],
    ['Kikuchi, Tomohiko & Hashimoto, Jun', 2],
    ['Komai, T. & Shank, T. M. & Van Dover, C. L.', 2],
    ['Komai, Tomoyuki & Chan, Tin-Yam', 1],
    ['Komai, Tomoyuki & Menot, Lenaick & Segonzac, Michel', 1],
    ['Komai, Tomoyuki & Tsuchida, Shinji', 2],
    ['Li, Xinzheng', 2],
    ['Martin, Joel W. & Haney, Todd A.', 12],
    ['Martin, Joel W. & Wall, Adam R. & Shank, Tim & Cha, Harim', 1],
    ['Webber, W. Richard', 2],
    ['Yahagi, Takuya & Watanabe, Hiromi & Kojima, Shigeaki', 1],
    ['Zelnio, Kevin Andrew & Hourdez, Stephané', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    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);