function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bu, Cui-Ping & Fletcher, Murray J. & Liang, Ai-Ping', 4],
    ['Bu, Cui-Ping & Larivière, Marie-Claude & Liang, Ai-Ping', 6],
    ['Bu, Cui-Ping & Liang, Ai-Ping', 2],
    ['Dmitriev, Dmitry A.', 1],
    ['Fletcher, Murray J.', 1],
    ['Jiang, Zhen & Liu, Jianing & Qin, Daozheng', 2],
    ['Kobayashi, Shigeki & Suzuki, Masahiro & Kuwahara, Ryosuke', 2],
    ['Mozaffarian, Fariba', 1],
    ['Ren, Lan-Lan & Stroiński, Adam & Qin, Dao-Zheng', 9],
    ['Stroinski, Adam', 2],
    ['Stroiński, Adam', 4],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1],
    ['Xu, Chang-Qing & Liang, Ai-Ping & Jiang, Guo-Mei', 8],
    ['Zhang, Huan & Wang, Wen-Qian & Stroiński, Adam & Qin, Dao-Zheng', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);