function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Buck, Matthias & Marshall, Stephen A.', 43],
    ['KITS, JOEL H. & MARSHALL, STEPHEN A.', 85],
    ['Kits, Joel H. & Marshall, Stephen A.', 57],
    ['Kuwahara, Gregory K. & Marshall, Stephen A.', 52],
    ['Luk, Stephen P. L. & Marshall, Stephen A.', 29],
    ['Marshall, S. A. & Luk, S. P. L. & Dong, H.', 21],
    ['Marshall, Stephen A. & Cui, Yongsheng', 64],
    ['Marshall, Stephen A. & Roháček, Jindřich & Dong, Hui', 96],
    ['Papp, L.', 34],
    ['Papp, László', 41],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 28],
    ['Sinclair, Bradley J.', 21],
    ['Su, Lixin & Liu, Guangchun & Xu, Jie', 21],
    ['Tepedino, Karla P.', 38],
    ['Yau, Tiffany & Marshall, Stephen A.', 29],
    ['Other (31)', 146]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=805)',
    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);