function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 4],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 2],
    ['Araujo, Gabriel S. & Kurtz, Yan R. & Sazima, Ivan', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Fowler, Henry Weed', 1],
    ['Hildebrand, S. F.', 1],
    ['Longley, W. H.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 5],
    ['Matsuura, Keiichi', 1],
    ['Meek, S. E. & Hildebrand, S. F.', 1],
    ['Ni, Y. & Li, C. - S.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Shipp, R. L.', 1],
    ['Shipp, R. L. & Yerger, R. W.', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);