function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Babenko, Anatoly & Stebaeva, Sophya & Turnbull, Matthew S.', 3],
    ['Gulgenova, Ayuna & Potapov, Mikhail', 1],
    ['Kaprus’, Igor & Paśnik, Grzegorz', 7],
    ['Mayvan, Mahmood Mehrafrooz & Greenslade, Penelope', 3],
    ['Nguyen, Anh T. T. & Thuy, Kim N. & Arbea, Javier I.', 6],
    ['Ospina-Sanchez, Claudia Marcela & Soto-Adames, Felipe N', 2],
    ['Silveira, Tatiana Cristina Da & Mendonça, Maria Cleide De', 1],
    ['Sun, Xin & Bedos, Anne & Deharveng, Louis', 3],
    ['Sun, Xin & Chen, Jian-Xiu & Deharveng, Louis', 10],
    ['Sun, Xin & Deharveng, Louis & Wu, Donghui', 2],
    ['Sun, Xin & Gao, Yan & Potapov, Mikhail B.', 4],
    ['Sun, Xin & Li, Yu', 3],
    ['Sun, Xin & Wu, Dong-Hui', 1],
    ['Thibaud, Jean-Marc', 3],
    ['Yan, Haijuan & Shi, Shidi & Chen, Jianxiu', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);