function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abbott, John C. & Hibbitts, Troy D.', 2],
    ['Asahina, Syoziro', 4],
    ['Cannings, Robert A. & Klymko, John & Catling, Paul M.', 1],
    ['Ghahari, H. & Thipaksorn, A. & Naderian, H. & Sakenin, H. & A. A', 1],
    ['Hagen, H.', 3],
    ['Jocque, Merlijn & Garrison, Rosser', 1],
    ['Lieftinck, M. A.', 2],
    ['Novelo-Gutiérrez, Rodolfo', 3],
    ['Phan, Quoc Toan & Karube, Haruki', 3],
    ['Phan, Quoc Toan & Karube, Haruki & Hung, Nguyen Viet', 4],
    ['Pompilio, Lucia & Mosini, Andrea', 2],
    ['Syoziro Asahina', 3],
    ['Yang, Guo-Hui & Zi, Dong-Dong', 3],
    ['Zhang, Hao-Miao & Cai, Qing-Hua', 3],
    ['Zhang, Haomiao & Tong, Xiaoli', 7],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    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);