function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, K. A. & Pacheco, A. L. & Burdz, T. & Wiebe, D.', 2],
    ['Chevrette, Marc G. & Carlson, Caitlin M. & Ortega, Humberto E.', 1],
    ['Choi, Jung-Hye & Cha, Ju-Hee & Bae, Jin-Woo & Cho, Jang-Cheon', 28],
    ['Choi, Kang Duk & Siddiqi, Muhammad Zubair & Liu, Qingmei', 1],
    ['Gao, Yuhang & Piao, Chenyu & Wang, Han & Shi, Linlin', 1],
    ['Ham, You Ju & Jeong, Ji Won & Im, Wan-Taek & Kim, Won-Yong', 11],
    ['Hu, Jiangmeihui & Han, Chuanyu & Yu, Bing & Zhao, Junwei', 1],
    ['Hwang, Ye-Ji & Son, Jin-Soo & Lee, Soo-Yeong & He, Yuxi', 1],
    ['Kim, Mi-Sun & Jeong, Seong-Hwa & Kang, Joo-Won & Kim, Seung-Bum', 25],
    ['Ko, Kwan Su & Cha, Chang-Jun & Im, Wan-Taek & Kim, Seung-Bum', 30],
    ['Lee, Jae-Yun & Jeong, Yun-Seok & Kim, Pil Soo', 3],
    ['Li, Da-Wei & Deng, Xiao-Peng & He, Xin & Han, Xiu-Yan', 2],
    ['Li, Lei & Wang, Jie & Zhou, Yong-jun & Lin, Hou-wen', 2],
    ['Saygin, Hayrettin & Nouioui, Imen & Ay, Hilal & Guven, Kiymet', 4],
    ['Zhang, Gaiyun & Wang, Lina & Xie, Fuquan & Pei, Shengxiang', 2],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=129)',
    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);