function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anderson, William D.', 5],
    ['Anderson, William D. & Baranes, Avi & Goren, Menachem', 2],
    ['Anderson, William D. & Chesalin, Mikhail V. & Jawad, Laith A.', 2],
    ['Bleeker, Pieter', 1],
    ['Golani, Daniel & Fricke, Ronald', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Jordan, David Starr', 1],
    ['Kimura, Seishi & Johnson, G. David & Peristiwady, Teguh', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['William D. Anderson, Jr. & Victor G. Springer', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);