function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Babenko, Anatoly & Stebaeva, Sophya & Turnbull, Matthew S.', 1],
    ['Babenko, Anatoly B. & Fjellberg, Arne', 8],
    ['Liu, Jie & Gao, Meixiang & Xie, Zhijing & Sun, Xin', 1],
    ['Mayvan, Mahmood Mehrafrooz & Greenslade, Penelope', 1],
    ['Paśnik, Grzegorz & Kaprus’, Igor', 1],
    ['Shveenkova, Yulia B. & Babenko, Anatoly B.', 3],
    ['Sun, Xin & Shveenkova, Yu. B. & Xie, Zhijing & Babenko, A. B.', 4],
    ['Sun, Xin & Wu, Donghui', 2],
    ['Thibaud, Jean-Marc', 1],
    ['Weiner, Wanda Maria & Paśnik, Grzegorz', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);