function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 4],
    ['Bleeker, Pieter', 8],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 2],
    ['Fowler, Henry Weed', 2],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 4],
    ['Herre, Albert W. C. T.', 3],
    ['Imamura, Hisashi', 22],
    ['Imamura, Hisashi & Gomon, Martin F.', 5],
    ['Knapp, Leslie W.', 6],
    ['Macleay, William John', 3],
    ['Regan, C. T.', 3],
    ['Sauvage, H. E.', 3],
    ['Steindachner, F.', 3],
    ['Whitley, Gilbert P.', 4],
    ['de Laporte Castelnau La Ferté-Sénectère, Francis L.', 3],
    ['Other (33)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=120)',
    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);