function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Ming-Jun & Lin, Yan & Wang, Ting & Zhang, Sheng-Li', 2],
    ['Chen, Wan-Hao & Liang, Jian-Dong & Ren, Xiu-Xiu & Zhao, Jie-Hong', 5],
    ['Chen, Zi-Hong & Dai, Yong-Dong & Chen, Kai & Zhang, Yi-Fei', 2],
    ['Huber, John T. & Read, Jennifer D. & Triapitsyn, Serguei V.', 20],
    ['Jarvis, Charlie', 1],
    ['Manickavasagam, S. & Rameshkumar, A.', 1],
    ['Noort, Simon van & Triapitsyn, Serguei V.', 3],
    ['Triapitsyn, Serguei V. & Koponen, Martti & Vikberg, Veli', 4],
    ['Wang, Zhi-Qin & Wang, Yao & Wang, Yuan-Bing & Yu, Hong', 1],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 14],
    ['Wijayawardene, Nalin N. & Dissanayake, Lakmali S. & Li, Qi-Rui', 1],
    ['Yang, Zhi-Li & Wang, Zhi-Qin & Ma, Jin-Mei & Yu, Hong', 1],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 1],
    ['Zha, Ling-Sheng & Kryukov, Vadim Yu & Ding, Jian-Hua', 11],
    ['Zhang, Zhi-Yuan & Feng, Yao & Tong, Shuo-Qiu & Ding, Chen-Yu', 3],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    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);