function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Buerki, Sven & Munzinger, Jérôme & Lowry Ii, Porter P.', 28],
    ['Daly, Douglas C. & Raharimampionona, Jeannie & Federman, Sarah', 33],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 34],
    ['Duretto, Marco F. & Heslewood, Margaret M. & Bayly, Michael J.', 53],
    ['Hartley, Thomas Gordon', 48],
    ['Jarvis, Charlie', 153],
    ['Kenfack, David & Tindo, Maurice & Gueye, Mathieu', 44],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 23],
    ['Linnaeus, Carolus', 59],
    ['Merrill, Elmer Drew & Perry, Lily May', 60],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 159],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 23],
    ['Rabarimanarivo, Marina N. & Rakotonirina, Nivo H.', 31],
    ['Randrianasolo, Armand & Lowry II, Porter P. & Schatz, George E.', 34],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 25],
    ['Other (211)', 731]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1538)',
    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);