function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bonnaterre, Joseph Pierre', 3],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['De, Sarah T. & De, Marcelo R. & Gomes, Ulisses L.', 7],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 6],
    ['Goren, Menachem & Galil, Bella S.', 3],
    ['Klunzinger, C. B.', 3],
    ['Linnaeus, Carolus', 15],
    ['Philippi, R. A.', 6],
    ['Risso, A.', 3],
    ['Rüppell, Wilhem Peter Eduard Simon', 5],
    ['Sarah T. de F. Viana & Marcelo R. de Carvalho', 3],
    ['Straube, Nicolas & White, William T. & Ho, Hsuan-Ching', 4],
    ['Viana, Sarah T. F. L. & Carvalho, Marcelo R. de', 6],
    ['Walbaum, J. J.', 3],
    ['White, William T. & Ko’Ou, Alfred', 4],
    ['Other (52)', 64]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=138)',
    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);