function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alec B. M. Moore & Leonard J. V. Compagno & Ian K. Fergusson', 1],
    ['Ayres, W. O.', 1],
    ['Bleeker, Pieter', 9],
    ['Cadenat, J.', 1],
    ['Cantalice, Kleyton Magno & Martinez-Melo, Alejandra', 1],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 2],
    ['Garman, S.', 1],
    ['Golani, Daniel', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Müller, J. & Henle, F. G. J.', 6],
    ['Ogilby, J. D.', 1],
    ['Poey, F.', 1],
    ['Steindachner, F.', 1],
    ['White, William T. & Ko’Ou, Alfred', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);