function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amon, Diva J & Ziegler, Amanda F & Drazen, Jeffrey C', 2],
    ['Barnard, Keppel Harcourt', 1],
    ['Brand, Thomas & Takeda, Masatsune', 1],
    ['D\'Acoz, Cédric D\'Udekem & Degrave, Sammy', 1],
    ['Han, Qingxi & Li, Xinzheng', 2],
    ['Hendrickx, Michel E.', 1],
    ['Komai, Tomoyuki', 3],
    ['Komai, Tomoyuki & Chan, Tin-Yam', 1],
    ['Komai, Tomoyuki & Chang, Su-Ching & Chan, Tin-Yam', 1],
    ['Komai, Tomoyuki & Yang, Chien-Hui & Chan, Tin-Yam', 6],
    ['Kuberan, G. & Chakraborty, Rekha Devi & Purushothaman, P.', 1],
    ['Mantelatto, Fernando L. & Al, Et', 1],
    ['Martin, Joel W. & Haney, Todd A.', 2],
    ['Vázquez-Bader, Ana Rosa & Gracia, Adolfo', 6],
    ['Wicksten, Mary K.', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);