function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, J. A.', 43],
    ['Conrad, Timothy Abbot', 52],
    ['Dijkstra, H. H. & Kilburn, R. N.', 49],
    ['Dijkstra, Henk H. & Beu, Alan G.', 168],
    ['Dijkstra, Henk H. & Maestrati, Philippe', 220],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 51],
    ['Glover, Emily A. & Taylor, John D.', 48],
    ['Ivanova, Mariya B. & Tsurpalo, Alexandra P.', 96],
    ['Linnaeus, Carolus', 214],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 69],
    ['Negri, Mauro Pietro & Corselli, Cesare', 45],
    ['Oliver, P. Graham & Holmes, Anna', 42],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 95],
    ['Raines, Bret & Huber, Markus', 128],
    ['Smith, Edgar A.', 136],
    ['Other (343)', 1798]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3254)',
    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);