function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Burret, Max', 4],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 4],
    ['Dorr, Laurence J. & Wurdack, Kenneth J.', 1],
    ['Gardère, Mathieu L. & Duarte, Maria Cristina', 4],
    ['Jarvis, Charlie', 4],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 1],
    ['Lin, Yun & Bi, Hai-Yan & Sun, Jun & Sun, Qian', 2],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 9],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 7],
    ['Randrianasolo, Armand & Lowry Ii, Porter P. & Schatz, George E.', 1],
    ['Wahlert, Gregory A. & Nusbaumer, Louis & Ranirison, Patrick', 1],
    ['Wahlert, Gregory A. & Phillipson, Peter B. & Lowry Ii, Porter P.', 1],
    ['Wahlert, Gregory A. & Phillipson, Peter B. & Mabberley, David J.', 1],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);