function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Steger, Jan & Bakker, Piet A. J.', 4],
    ['Coan, Eugene V. & Valentich-Scott, Paul', 7],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 4],
    ['Healy, John M. & Mikkelsen, Paula M. & Bieler, Rüdiger', 3],
    ['Ivanova, Mariya B. & Tsurpalo, Alexandra P.', 21],
    ['Lam, Katherine & Morton, Brian & Leung, K. F.', 4],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 19],
    ['Moussavou, Benjamin Musavu', 5],
    ['Neubauer, Thomas A. & Wesselingh, Frank P.', 3],
    ['Oliver, P. Graham & Holmes, Anna', 3],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 16],
    ['Poutiers, Jean-Maurice', 5],
    ['Raines, Bret & Huber, Markus', 22],
    ['Vidal, Jacques & Kirkendale, Lisa', 7],
    ['Wesselingh, Frank & Poorten, Jan Johan ter & Kijashko, Pavel', 26],
    ['Other (15)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=171)',
    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);