function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bazzi, Gaia & Galimberti, Andrea & Foglini, Claudio', 3],
    ['Brullé, Auguste', 1],
    ['Cowley, J.', 2],
    ['Fabricius, J. C.', 9],
    ['Fabricius, Johann Christian', 4],
    ['Ghahari, H. & Thipaksorn, A. & Naderian, H. & Sakenin, H. & A. A', 2],
    ['Hagen, H.', 18],
    ['K. J. Morton', 2],
    ['Linnaeus, Carolus', 19],
    ['Müller, Otto Friedrich', 5],
    ['Petrulevicius, Julian F. & Wappler, Torsten & Nel, Andre', 2],
    ['Pompilio, Lucia & Mosini, Andrea', 2],
    ['Rambur, Jules Pierre', 2],
    ['Retzius, Anders Ja ̊ han', 2],
    ['de Sélys-Longchamps, Michel-Edmond baron', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    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);