function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Ming-Jun & Han, Yi-Ren & Liu, Jiang-Xin Hu Yu-Jun', 1],
    ['Doyama, Kohei & Haruma, Toshikatsu & Hishiyama, Shojiro', 1],
    ['Fan, Qi & Yang, Tao & Li, Hui & Wang, Xue-Mei & Liao, He-Fa', 2],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 1],
    ['Liu, Zuoheng & Tang, Dexiang & Lu, Yingling & Zhu, Juye', 4],
    ['Peng, Xing-Can & Wen, Ting-Chi & Wei, De-Ping & Liao, Yu-Hong', 3],
    ['Qu, Jiaojiao & Zou, Xiao & Cao, Wei & Xu, Zhongshun', 2],
    ['Tang, Dexiang & Zhao, Jing & Lu, Yingling & Wang, Zhiqin', 2],
    ['Tehan, Richard M. & Dooley, Connor B. & Barge, Edward G.', 4],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 6],
    ['Wijayawardene, Nalin N. & Dissanayake, Lakmali S. & Li, Qi-Rui', 2],
    ['Xiao, Yuan-Pin & Hongsanan, Sinang & Hyde, Kevin D.', 2],
    ['Zha, Ling-Sheng & Kryukov, Vadim Yu & Ding, Jian-Hua', 35],
    ['Zou, Weiqiu & Tang, Dexiang & Xu, Zhihong & Huang, Ou', 2],
    ['de la Fuente, Javier Isaac & García-Jiménez, Jesús', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);