function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alberto T. Barrion & Aimee Lynn A. Barrion-Dupo', 1],
    ['Kanesharatnam, Nilani & Benjamin, Suresh P.', 6],
    ['Kim, Byung Woo & Kim, Joo Pil', 3],
    ['Li, Bing & Cheng, Yi & Wang, Qi & Yang, Sufang & Peng, Xianjin', 4],
    ['Lin, Yejie & Li, Shuqiang', 2],
    ['Lin, Yejie & Li, Shuqiang & Mo, Haolin & Wang, Xihao', 2],
    ['Lin, Yejie & Wu, Lingbing & Cai, Ducheng & Li, Shuqiang', 1],
    ['Lin, Yejie & Xin, Yafei & Wang, Cheng & Li, Shuqiang', 2],
    ['Liu, Ke-ke & Zhao, Zi-Yi & Xiao, Yong-hong & Peng, Xian-Jin', 5],
    ['Liu, Keke & Chen, Zhiwu & Xiao, Yonghong & Xu, Xiang', 4],
    ['Peng, Xianjin & Li, Shuqiang', 1],
    ['Trilikauskas, L. A.', 2],
    ['Wang, Cheng & Li, Shuqiang', 2],
    ['Wang, Cheng & Li, Shuqiang & Pham, Dinh-Sac', 5],
    ['Wang, Cheng & Mi, Xiao-Qi & Irfan, Muhammad & Peng, Xian-Jin', 9],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);