function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chang, Zhi-Min & Yang, Lin & Chen, Xiang-Sheng', 14],
    ['Constant, Jérôme & Pham, Hong Thai', 79],
    ['Constant, Jérôme & Semeraro, Linda', 9],
    ['GNEzDILOV, Vladimir M.', 20],
    ['Gnezdilov, Dimir M.', 14],
    ['Gnezdilov, Vladimir M.', 75],
    ['Gnezdilov, Vladimir M. & Fletcher, Murray J.', 18],
    ['Gnezdilov, Vladimir M. & O’Brien, Lois B.', 35],
    ['Gnezdilov, Vladimir M. & Soulier-Perkins, Adeline', 13],
    ['Gnezdilov, Vladimir M. & Thierry, Bourgoin', 11],
    ['Meng, Rui & Wang, Yinglun', 15],
    ['Rui Meng & Yinglun Wang & Daozheng Qin', 28],
    ['Walker, Francis', 14],
    ['Wang, Menglin & Zhang, Yalin & Bourgoin, Thierry', 12],
    ['Zhang, Zheng-Guang & Chen, Xiang-Sheng', 13],
    ['Other (50)', 177]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=547)',
    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);