function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Butler, Arthur Gardiner', 5],
    ['Chirivi-Joya, Daniel & Moreno-González, Jairo A.', 7],
    ['Fage, Louis', 4],
    ['Fage, Louis & Simon, Eugène', 5],
    ['Gravely, Frederic Henry', 11],
    ['Joya, Daniel Chirivi', 9],
    ['Miranda, Gustavo Silva de & Giupponi, Alessandro P. L.', 142],
    ['Mullinex, C. L.', 8],
    ['Pocock, Reginald Innes', 27],
    ['Quintero, Diomedes', 12],
    ['Rahmadi, Cahyo & Harvey, Mark S. & Kojima, Jun-Ichi', 8],
    ['Simon, Eugène Ernest', 5],
    ['Thorell, Tord Tamerlan Teodor', 7],
    ['Weygoldt, Peter', 6],
    ['de Mello-Leitão, Cândido Firmino', 7],
    ['Other (66)', 126]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=389)',
    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);