function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alavi, Jalil & Minaei, Kambiz', 4],
    ['Hakimara, Mahsa & Minaei, Kambiz', 1],
    ['Hu, Qing-Ling & Mirab-Balou, Majid & Chen, Xue-Xin', 2],
    ['Masumoto, Masami & Okajima, Shûji', 3],
    ['Mirab-Balou, Majid & Tong, Xiao-Li & Wang, Jun & Chen, Xue-Xin', 1],
    ['Mirab-balou, M.', 5],
    ['Mirab-balou, Majid & Minaei, Kambiz & Chen, Xue-Xin', 1],
    ['Rasool, Iftekhar & Alattal, Yehya Zaki & Aldhafer, Hathal M.', 2],
    ['Tyagi, Kaomud & Kumar, Vikas', 2],
    ['Xie, Yonghui & Zhang, Hongrui & Mound, Laurence A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    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);