function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chae, Junho & Lee, Jun-Gi & Kim, Sam-Kyu', 5],
    ['Gong, Li-Jun & Zhong, Yang', 1],
    ['Grall, Elena & Jäger, Peter', 57],
    ['Jäger, Peter', 26],
    ['Lin, Yejie & Marusik, Yuri M. & Gao, Caixia & Xu, Hao', 2],
    ['Liu, Jie & Li, Shuqiang & Jäger, Peter', 11],
    ['Quan, Dan & Chen, Jian & Liu, Jie', 1],
    ['Wang, Ziyi & Liang, Wei & Li, Shuqiang', 5],
    ['Zhang, Bao-Shi & Zhang, Zhi-Sheng & Zhang, Feng', 3],
    ['Zhang, Jianshuang & Xing, Yuanqian & Yang, Jinghui & Yu, Hao', 4],
    ['Zhang, Rui & Zhang, Baoshi & Zhang, Feng', 1],
    ['Zhong, Yang & Jäger, Peter & Chen, Jian & Liu, Jie', 27],
    ['Zhong, Yang & Zeng, Meng-Yun & Gu, Chao-Lan & Yu, Hui-Liang', 3],
    ['Zhu, Yang & Zhong, Yang & Yang, Tingbang', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=148)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);