function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Erman, Orhan & Pešić, Vladimir & Esen, Yunus & Özkan, Muhlis', 17],
    ['Fisher, J. Ray & Fisher, Danielle M. & Skvarla, Michael J.', 90],
    ['Gu, Xinyao & Jin, Daochao & Yi, Tianci & Guo, Jianjun', 9],
    ['Habeeb, Herbert', 13],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 32],
    ['O\'Neill, Joseph C. & Fisher, J. Ray & Nelson, Whitney A.', 23],
    ['Pesic, Vladimir & Saboori, Alireza & Asadi, Mahdieh', 12],
    ['Pesic, Vladimir & Semenchenko, Ksenia A. & Lee, Wonchoel', 9],
    ['Pesic, Vladimir & Smit, Harry', 43],
    ['Pešić, Vladimir & Chatterjee, Tapas & Bordoloi, Sabitry', 24],
    ['Pešić, Vladimir & Smit, Harry', 71],
    ['Pešić, Vladimir & Smit, Harry & Saboori, Alireza', 22],
    ['PešićK, Vladimir & K, Harry Smit & K, Mer Man Gurung', 17],
    ['Sabatino, Antonio Di & Gerecke, Reinhard & Gledhill, Terence', 12],
    ['Smit, H. & Gerecke, R.', 15],
    ['Other (47)', 134]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=543)',
    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);