function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bien, Steffen & Damm, Ulrike', 10],
    ['Calabon, Mark S. & Jones, E. B. Gareth & Pang, Ka-Lai', 3],
    ['Dou, Mingzhu & Liu, Shengnan & Li, Jiechen & Aptroot, Andre', 3],
    ['Esteves, Flavia A. & Fisher, Brian L.', 18],
    ['Ganeshalingam, Archchana & Daranagama, Dinushani A.', 5],
    ['Han, Yan-Feng & Ge, Wei & Zhang, Zhi-Yuan & Liang, Jian-Dong', 10],
    ['Jarvis, Charlie', 4],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 28],
    ['Pykaelae, Juha & Kantelinen, Annina & Myllys, Leena', 64],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 6],
    ['Sun, Bing-Da & Chen, Amanda J. & Houbraken, Jos', 8],
    ['Tennakoon, Danushka S. & Thambugala, Kasun M. & Jeewon, Rajesh', 4],
    ['Torres-Garcia, Daniel & Gene, Josepa & Garcia, Dania', 8],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 11],
    ['Zhang, Zhi-Yuan & Han, Yan-Feng & Chen, Wan-Hao & Liang, Zong-Qi', 4],
    ['Other (35)', 46]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=232)',
    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);