function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amina, Poovoli & Rajmohana, Keloth', 3],
    ['Caesar, Maram & Roy, Roger & Legendre, Frederic', 1],
    ['Casalla, Robin & Scheffrahn, Rudolf H. & Korb, Judith', 4],
    ['Engel, Michael S. & Krishna, K.', 9],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 9],
    ['JIANG, RI-XIN & ZHANG, HONG-RUI & ELDREDGE, K. TARO', 2],
    ['Krishna, Kumar & Grimaldi, David A. & Krishna, Valerie', 4],
    ['Light, S. F.', 3],
    ['Onagbola, Ebenezer O. & Scheffrahn, Rudolf H.', 2],
    ['Roisin, Yves', 6],
    ['Scheffrahn, Rudolf H.', 7],
    ['Scheffrahn, Rudolf H. & Bourguignon, Thomas', 2],
    ['Scheffrahn, Rudolf H. & Carrijo, Tiago F.', 3],
    ['Scheffrahn, Rudolf H. & Vasconcellos, Alexandre', 2],
    ['Snyder, Thomas E.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    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);