function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bellamy, C. L.', 80],
    ['Bílý, Svatopluk', 100],
    ['Carlton, Christopher E. & MacRae, Ted C. & Tishechkin, Alexey K.', 110],
    ['Curletti, Gianfranco & Migliore, Letizia', 132],
    ['Forbicioni, Leonardo & Tormen, Nicola & Curletti, Gianfranco', 51],
    ['Hallinen, Marie J. & Steffens, Wayne P. & Schultz, Jennifer L.', 112],
    ['Hespenheide, Henry A.', 84],
    ['Jendek, Eduard', 252],
    ['Jendek, Eduard & Grebennikov, Vasily V.', 73],
    ['Jendek, Eduard & Nakládal, Oto', 268],
    ['Levey, Brian', 129],
    ['Pineda, Cristian & Matsumoto, Keita', 68],
    ['Pérez-Hernández, Cisteil Xinum', 118],
    ['Westcott, Richard L.', 53],
    ['Westcott, Richard L. & Hespenheide, Henry A.', 224],
    ['Other (178)', 1052]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2906)',
    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);