function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albrecht, Anders Christian', 104],
    ['Borges, Paulo A. V. & Gaspar, Clara', 34],
    ['Brumley, Cameron', 89],
    ['Brunet, Bryan M. T. & Raupach, Michael J. & Rehage, Heinz-Otto', 26],
    ['Jiang, Liyun & Chen, Jing & Guo, Kun & Qiao, Gexia', 18],
    ['Linnaeus, Carolus', 49],
    ['Stekolshchikov, Andrey V.', 19],
    ['Stekolshchikov, Andrey V. & Buga, Sergey V.', 22],
    ['Stekolshchikov, Andrey V. & Khruleva, Olga A.', 32],
    ['Stekolshchikov, Andrey V. & Novgorodova, Tatiana A.', 48],
    ['Stepanyan, Ilona & Barjadze, Shalva & Karagyan, Gayane', 208],
    ['Victor & Eastop, F. & Blackman, Roger L.', 140],
    ['Wieczorek, Karina & Junkiert, Łukasz & Trela, Joanna', 30],
    ['Xu, Ying & Chen, Jing & Jiang, Li-Yun & Qiao, Ge-Xia', 21],
    ['Xu, Ying & Jiang, Li-Yun & Chen, Jing', 18],
    ['Other (180)', 559]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1417)',
    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);