function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chakrabarti, Samiran & Sur, Surajit & Sarkar, Sanjay', 6],
    ['Han, Xiao & Zuo, Yun & Xue, Xiao-Feng & Hong, Xiao-Yue', 1],
    ['Huang, Kun-Wei', 1],
    ['Huang, Kun-Wei & Wang, Chin-Fah', 4],
    ['Kadono, Fujio', 1],
    ['Khan, Eid Muhammad & Kamran, Muhammad & Alatawi, Fahad Jaber', 2],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 8],
    ['Song, Zi-Wei & Xue, Xiao-Feng & Hong, Xiao-Yue', 1],
    ['Sur, Surajit & Roy, Sourav & Chakrabarti, Samiran', 1],
    ['Wang, Guo-Quan & Wei, Sui-Gai & Yang, Ding', 7],
    ['XUE, XIAO-FENG & WANG, ZHEN & SONG, ZI-WEI & HONG, XIAO-YUE', 2],
    ['Xue, Xiao-Feng & Zhang, Zhi-Qiang', 35]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);