function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Gong, Xuyun & Kury, Adriano B. & Zhang, Chao', 1],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 2],
    ['Kury, Adriano B.', 3],
    ['Lian, Wei-Guang & Zhang, Chao & Zhang, Feng', 3],
    ['Sharma, Prashant P. & Kury, Adriano B. & Giribet, Gonzalo', 1],
    ['Tan, Desmond Kai Teck & Fong, Jonathan J. & Zhang, Chao', 2],
    ['Tchemeris, Aleksey N.', 2],
    ['Zhang, Chao & Lian, Wei-Guang & Zhang, Feng', 4],
    ['Zhang, Chao & Martens, Jochen', 9],
    ['Zhang, Chao & Zhang, Feng', 3],
    ['Zhang, Chao & Zhao, Jing Jing & Martens, Jochen', 3],
    ['Zhu, Ming-Sheng & Lian, Wei-Guang', 2],
    ['Zhu, Wei-Guang Lian Ming-Sheng & Kury, Adriano B.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);