function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adlard, R. D. & Peirce, M. A. & Lederer, R.', 3],
    ['Bandyopadhyay, Probir K. & Mitra, Amlan Kumar & Göçmen, Bayram', 2],
    ['Chavatte, Jean-Marc & Grès, Virginie & Snounou, Georges', 9],
    ['Cook, Courtney A. & Netherlands, Edward C. & Van As, Johann', 2],
    ['Girard, Yvette A. & Johnson, Christine K. & Fritz, Heather M.', 2],
    ['Gjerde, Bjørn & Vikøren, Turid & Hamnes, Inger Sofie', 2],
    ['Grizancic, Lana & Baricevic, Ana & Smodlaka Tankovic, Mirta', 4],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 2],
    ['Netherlands, Edward C. & Cook, Courtney A. & Du Preez, Louis H.', 4],
    ['Paperna, Ilan & Keong, Malcolm Soh Chu & May, Charlotte Yap Aye', 32],
    ['Peirce, M. A. & Adlard, R. D.', 3],
    ['Reich, Dieter & Gutermann, Walter & Bardy, Katharina', 3],
    ['Sarkar, Sutapa & Bandyopadhyay, Probir K.', 22],
    ['Scherrer, Patrick & Ryser-Degiorgis, Marie-Pierre', 4],
    ['Yabsley, Michael J. & Shock, Barbara C.', 8],
    ['Other (28)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=131)',
    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);