function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Diogo & Alves, Marccus', 5],
    ['Blume, Carl Ludwig von', 1],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 9],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 4],
    ['Fiorito, Serena & Epifano, Francesco & Preziuso, Francesca', 1],
    ['Info Flora', 1],
    ['Ito, Yu & Barfod, Anders S.', 2],
    ['Jarvis, Charlie', 35],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 1],
    ['Linnaeus, Carolus', 17],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 7],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 8],
    ['Wood, John R. I. & Munoz-Rodriguez, Pablo', 454],
    ['Wood, John R. I. & Munoz-Rodriguez, Pablo & Degen, Rosa', 15],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 6],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=572)',
    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);