function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bai, Xing-Long & Ren, Guo-Dong', 81],
    ['Bujalance, José L. & Ferrer, Julio & Cárdenas, Ana M.', 37],
    ['Flores, Gustavo E. & Pizarro-Araya, Jaime', 37],
    ['Hegde, V. D.', 58],
    ['Ivie, Michael A. & Hart, Charles J.', 75],
    ['Johnston, M. Andrew & Fleming, David & Franz, Nico M.', 43],
    ['Kamiński, Marcin Jan', 60],
    ['Kanda, Kojun & Johnston, M. Andrew', 141],
    ['Masumoto, Kimio', 134],
    ['Masumoto, Kimio & Akita, Katsumi', 66],
    ['Novák, Vladimir & Ghahari, Hassan', 70],
    ['Schawaller, Wolfgang', 57],
    ['Triplehorn, Charles A. & Thomas, Donald B. & Rile, Edward G.', 41],
    ['Yildirim, E. & Kiliç, E.', 40],
    ['Zhou, De-Yao', 40],
    ['Other (326)', 1899]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2879)',
    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);