function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badou, Sylvestre A. & esel, Andre De & Raspe, Olivier', 2],
    ['Chai, Hui & Liang, Zhi-Qun & Xue, Rou & Jiang, Shuai', 11],
    ['Chakraborty, Dyutiparna & Vizzini, Alfredo & Das, Kanad', 6],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 2],
    ['Fu, Hao-Yu & Li, Ting & Fan, Li', 3],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 5],
    ['Li, Jin & Wang, Zhen & Liu, En-De & Yang, Zhu L. & Li, Yan-Chun', 5],
    ['Vadthanarat, Santhiti & Amalfi, Mario & Halling, Roy E.', 5],
    ['Vadthanarat, Santhiti & Lumyong, Saisamorn & Raspe, Olivier', 3],
    ['Vadthanarat, Santhiti & Raghoonundon, Bhavesh', 3],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 9],
    ['Zeng, Nian-Kai & Wu, Gang & Li, Yan-Chun & Liang, Zhi-Qun', 3],
    ['Zhang, Ming & Li, Tai-Hui & Wang, Chao-Qun & Zeng, Nian-Kai', 8],
    ['Zhang, Xu & Tian, Run & Tang, Li-Ping & Liang, Zhi-Qun', 4],
    ['Zhao, Kuan & Wu, Gang & Yang, Zhu L.', 10],
    ['Other (21)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=108)',
    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);