function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Blume, Carl Ludwig von', 3],
    ['Brady, George Stewardson', 4],
    ['Candolle, Anne Casimir Pyramus de', 9],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 10],
    ['Dipelet, Ulrich Gaël Bouka & Florence, Jacques', 7],
    ['Harms, Hermann August Theodor', 22],
    ['Jarvis, Charlie', 13],
    ['Kenfack, David & Tindo, Maurice & Gueye, Mathieu', 44],
    ['Linnaeus, Carolus', 3],
    ['Mabberley, David John', 3],
    ['Merrill, Elmer Drew & Perry, Lily May', 25],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 31],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 4],
    ['Pannell, Caroline M.', 3],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 7],
    ['Other (35)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=233)',
    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);