function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Jing & Wang, Hongliang & Li, Weihai', 2],
    ['Chen, Zhi-Teng', 2],
    ['Harrison, Audrey B. & Stark, Bill P.', 2],
    ['Li, Mengyu & Wang, Bingli & Yang, Ding & Muranyi, David', 3],
    ['Li, Weihai & Murányi, Dávid & Gamboa, Maribet & Yang, Ding', 8],
    ['Li, Weihai & Yang, Ding', 9],
    ['Li, Wenliang & Zhang, Yao & Yang, Ding & Li, Weihai', 3],
    ['Luo, Jun & Yao, Gang & Wang, Mingju & Li, Weihai', 2],
    ['Mo, Raorao & Wang, Guoquan & Yang, Ding & Li, Weihai', 2],
    ['Qian, Yu-Han & Du, Yu-Zhou', 4],
    ['Stark, Bill P. & Sivec, Ignac & Shimizu, Takao', 10],
    ['Yang, Yu-Ben & Du, Yu-Zhou', 3],
    ['Yang, Yu-Ben & Du, Yu-Zhou & Zhu, Bin-Qing', 3],
    ['Yang, Yu-Ben & Zhu, Bin-Qing & Rehman, Abdur & Du, Yu-Zhou', 11],
    ['Yu-Han, Qian & Yu-Zhou, Du', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    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);