function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Zhi-Teng & Du, Yu-Zhou', 16],
    ['DeWalt, R. Edward & Grubbs, Scott A.', 7],
    ['Li, Weihai & Li, Shan & Feng, Guangwei & Wang, Yunbing', 9],
    ['Li, Weihai & Liang, Haiyan & Li, Wenliang', 10],
    ['Li, Weihai & Murányi, Dávid & Wang, Rongfeng', 5],
    ['Li, Weihai & Wang, Ying & Wang, Rongfeng', 8],
    ['MO, RAORAO & WANG, GUOQUAN & YANG, DING & LI, WEIHAI', 8],
    ['Mo, Raorao & Wang, Guoquan & Li, Weihai', 7],
    ['Mo, Raorao & Wang, Ying & Wang, Guoquan & Li, Weihai', 5],
    ['Pelingen, Arthien Lovell', 9],
    ['Qin, Xue-Feng & Muranyi, David & Wang, Guo-Quan & Li, Wei-Hai', 10],
    ['Sivec, Ignac & Stark, Bill P.', 9],
    ['Stark, Bill P. & Sheldon, Andrew L.', 9],
    ['Stark, Bill P. & Sivec, Ignac', 53],
    ['Zwick, Peter & Zwick, Andreas', 224],
    ['Other (35)', 79]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=468)',
    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);