function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chatterjee, Tapas', 19],
    ['Ding, Zhuhui & Jin, Daochao & Guo, Jianjun & Yi, Tianci', 5],
    ['DingK, Zhu-Hui & YiK, Tian-Ci & K, Jian-Jun Guo & JinK, Dao-Chao', 5],
    ['Erman, Orhan & Pešić, Vladimir & Esen, Yunus & Özkan, Muhlis', 6],
    ['Gerecke, Reinhard', 6],
    ['Gledhill, Terence & Vidrine, Malcolm F.', 3],
    ['K, Harry Smit & Pešić, Vladimir & K & K, Simon Clavier', 11],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 8],
    ['Orginal, Harry Smit', 19],
    ['Pešić, Vladimir & Bańkowska, Aleksandra & Goldschmidt, Tom', 7],
    ['Pešić, Vladimir & Chatterjee, Tapas & Bordoloi, Sabitry', 28],
    ['Pešić, Vladimir & Smit, Harry & Saboori, Alireza', 5],
    ['Smit, H. & Gerecke, R.', 15],
    ['Smit, Harry', 76],
    ['Tuzovskij, Petr V. & Semenchenko, Ksenia A.', 22],
    ['Other (20)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=265)',
    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);