function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr.', 10],
    ['Allen, Gerald R. Dr. & Randall, John Ernest Dr.', 4],
    ['Allen, Gerald R. Dr. & Robertson, D. Ross', 2],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 22],
    ['Bleeker, Pieter', 10],
    ['De Vis, Charles Walter', 5],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 12],
    ['Evermann, Barton Warren & Seale, A.', 3],
    ['Fowler, Henry Weed', 6],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 3],
    ['Jordan, David Starr & Seale, A.', 5],
    ['Poey, F.', 3],
    ['Poey, F. & Manday, D. Guitart', 3],
    ['Sauvage, H. E.', 3],
    ['Whitley, Gilbert P.', 7],
    ['Other (33)', 39]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=137)',
    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);