function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alleyne, H. G. & Macleay, William John', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 16],
    ['Bleeker, Pieter', 5],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 1],
    ['De Vis, Charles Walter', 1],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 5],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 4],
    ['Holleman, Wouter & Gouws, Gavin', 4],
    ['Justine, Jean-Lou & Beveridge, Ian & Boxshall, Geoffrey A.', 8],
    ['Kent E. Carpenter & John E. Randall', 4],
    ['Klunzinger, C. B.', 2],
    ['Macleay, William John', 2],
    ['Smith, J. L. B.', 3],
    ['Whitley, Gilbert P.', 4],
    ['Wilson, G. G.', 11],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=79)',
    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);