function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 17],
    ['Curtiss, A.', 7],
    ['De Vis, Charles Walter', 2],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 4],
    ['Forster, Joannes Reinholdus', 2],
    ['Fowler, Henry Weed', 2],
    ['Golani, Daniel', 2],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 4],
    ['Linnaeus, Carolus', 2],
    ['Randall, John Ernest Dr.', 3],
    ['Randall, John Ernest Dr. & Clements, Kendall D.', 2],
    ['Sauvage, H. E.', 2],
    ['Whitley, Gilbert P.', 2],
    ['Yennawar, Prasanna & Mohapatra, Anil & Tudu, Prasad Chandra', 3],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 4],
    ['Other (25)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);