function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Li, Cong-zheng & Yao, Yan-bin & Xiao, Yong-hong & Liu, Ke-ke', 2],
    ['Lin, Yejie & Li, Shuqiang & Pham, Dinh-Sac', 2],
    ['Marusik, Yuri M. & Omelko, Mikhail M. & Benjamin, Suresh P.', 1],
    ['Meng, Ze-Yuan & Luo, Hui-Pu & Xiao, Yong-Hong & Xu, Xiang', 2],
    ['SURESH P. BENJAMIN', 4],
    ['Tang, Guo & Li, Shuqiang', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);