function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 18],
    ['Bollino, Maurizio & Uliana, Marco & Sabatinelli, Guido', 14],
    ['Dupuis, Fabien', 2],
    ['Ghahari, Hassan & Nikodým, Milan & M, Pygopleurus', 63],
    ['Ghrejyan, T. L. & Kalashian, M. Yu. & Shokhin, I. V.', 2],
    ['Hawkins, Shauna Joy', 15],
    ['Li, Chun-Lin & Wang, Chuan-Chan & Chen, Hou-Jay', 4],
    ['Mitter, H.', 16],
    ['Mitter, Heinz', 15],
    ['Paulsen, M. J.', 2],
    ['Polat, Alper & Yildirim, Erol & Uliana, Marco', 23],
    ['Smith, Andrew B. T.', 2],
    ['Uliana, Marco & Bollino, Maurizio & Sabatinelli, Guido', 3],
    ['Uliana, Marco & Sabatinelli, Guido', 4],
    ['Wang, Bo & Zhang, Haichun', 2],
    ['Other (6)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=193)',
    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);