function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dijkstra, H. H. & Kilburn, R. N.', 49],
    ['Dijkstra, H. H. & Maestrati, P.', 33],
    ['Dijkstra, Henk H. & Beu, Alan G.', 167],
    ['Dijkstra, Henk H. & Maestrati, Philippe', 125],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 25],
    ['Hickman, Carole S.', 9],
    ['Hryniewicz, Krzysztof & Little, Crispin T. S.', 5],
    ['Ivanova, Mariya B. & Tsurpalo, Alexandra P.', 4],
    ['Lam, Katherine & Morton, Brian & Leung, K. F.', 3],
    ['Lutaenko, K. A. & Artemieva, N. G.', 3],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 9],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 5],
    ['Oviedo, Loreley & Pastorino, Guido', 3],
    ['Raines, Bret & Huber, Markus', 23],
    ['Serb, Jeanne M. & Alejandrino, Alvin & Otárola-Castillo, Erik', 4],
    ['Other (8)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=478)',
    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);