function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 5],
    ['Douglas, Hume & Bouchard, Patrice & Anderson, Robert S.', 2],
    ['Fabricius, Johann Christian', 9],
    ['Frank W. Pelsue, Jr. & Zhang, Runzhi', 19],
    ['Ghahari, H. & A. A & Y. G', 3],
    ['Linnaeus, Carolus', 86],
    ['Notsu, Yutaka', 5],
    ['Pallas, Peter Simon', 3],
    ['Paykull, G. de', 5],
    ['Pelsue, Frank W.', 4],
    ['Pelsue, Frank W. & Zhang, Runzhi', 64],
    ['Rasplus, Jean-Yves & Harry, Myriam & Perrin, Hélène', 8],
    ['Scopoli, G. A.', 7],
    ['Weber, Friedrich', 3],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 11],
    ['Other (19)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=258)',
    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);