function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agassiz, David J. L. & Kozlov, Mikhail V.', 2],
    ['Bryner, Rudolf & Huemer, Peter', 3],
    ['Das, Apurva & Singh, Navneet', 17],
    ['Garrido-Olvera, Lorena & García-Prieto, Luis', 2],
    ['González-Acuña, Daniel & Moreno, Lucila & Cicchino, Armando', 2],
    ['Guenée, Achille', 1],
    ['Huemer, Peter & Van Nieukerken, Erik J.', 1],
    ['Ko, Jae-Ho & Yagi, Sadahisa & Hirowatari, Toshiya', 1],
    ['Koo, Jun-Mo & Cho, Soowon', 2],
    ['Kozlov, Mikhail V.', 109],
    ['Liao, Cheng-Qing & Hirowatari, Toshiya & Yagi, Sadahisa', 105],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 1],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 2],
    ['Sun, Hao & Li, Houhun', 7],
    ['Sun, Hao & Wang, Shuxia & Li, Houhun', 58],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=314)',
    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);