function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdou, Ahmed & Bouchet, Philippe', 7],
    ['Ancey, C. F.', 4],
    ['Brook, Fred J. & Ablett, Jonathan D.', 1],
    ['Cockerell, Theodore D. A.', 1],
    ['Cowie, Robert H. & Héros, Virginie & Yeung, Norine W.', 2],
    ['Foon, Junn Kitt & Clements, Gopalasamy Reuben & Liew, Thor-Seng', 3],
    ['Guinea, Michael & Pilsbry, Henry A.', 1],
    ['Herbert, David G.', 13],
    ['Marzuki, Mohammad Effendi bin & Liew, Thor-Seng', 1],
    ['Minato, Hiroshi & Okubo, Kanji', 1],
    ['Sartori, André F. & Gargominy, Olivier & Fontaine, Benoît', 36],
    ['Solem, A.', 1],
    ['Vermeulen, Jaap J. & Liew, Thor-Seng & Schilthuizen, Menno', 1],
    ['Zimmermann, Gabrielle & Gargominy, Olivier & Fontaine, Benoît', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);