function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bolton, B.', 63],
    ['Csösz S. & Radchenko, A. & Schulz, A.', 12],
    ['Emery, C.', 26],
    ['Forel, A.', 61],
    ['Francisco Hita Garcia, T. T. & Fisher, Brian L.', 26],
    ['Garcia, Francisco Hita & Fischer, Georg & Peters, Marcell K.', 26],
    ['Garcia, Francisco Hita & Fisher, Brian L.', 42],
    ['Güsten, R. & Schulz, A. & Sanetra, M.', 17],
    ['Hita Garcia, F. & B. L. Fisher', 31],
    ['Hita Garcia, Francisco & Fisher, Brian L.', 37],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 41],
    ['Kiran, Kadri & Karaman, Celal', 11],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 17],
    ['Mbanyana, Nokuthula & Garcia, Francisco Hita', 21],
    ['Santschi, F.', 30],
    ['Other (58)', 188]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=649)',
    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);