function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Airy Shaw, Herbert Kenneth', 101],
    ['Baillon, Henri Ernest', 11],
    ['Blume, Carl Ludwig von', 6],
    ['Breteler, Frans J.', 11],
    ['Jarvis, Charlie', 14],
    ['Khazaei, Zohreh & Polhemus, Dan A. & Tahami, Mohadeseh S.', 8],
    ['Mcpherson, Gordon', 8],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 9],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 11],
    ['Müller Argoviensis, Johannes', 7],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 7],
    ['Smith, Johannes Jacobus', 8],
    ['Wagner, W. L. & Lorence, David H.', 6],
    ['Webster, Grady Linder & Airy Shaw, Herbert Kenneth', 11],
    ['Yao, Gang & Song, Zhu-Qiu & Xue, Bin-E & Shi, Shi & Li, Yu-Ling', 11],
    ['Other (55)', 84]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=313)',
    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);