function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bankov, Nikola & Todorov, Milcho & Ganeva, Anna', 92],
    ['Brady, H. B.', 206],
    ['Canepari, Claudio & Gordon, Robert D. & Hanley, Guy A.', 228],
    ['Haeckel, E. H. P. A.', 301],
    ['Ismail, Ahmed A.', 89],
    ['Joh, Gyeongje', 92],
    ['Mamo, Briony L.', 102],
    ['Margerel, Jean-Pierre', 159],
    ['Mayén-Estrada, Rosaura & Pinto Utz, Laura R.', 93],
    ['Noble, Paula & Aitchison, Jonathan C. & Danelian, Taniel', 257],
    ['Popova, Irina M. & Baumgartner, Peter O. & Guex, Jean', 105],
    ['Porto, Ana Victoria Dunke & Rigo, Francine Vargas & Warren, Alan', 196],
    ['Symphonia, Tabita K. & Senthil, Nathan D.', 284],
    ['Tekin, Kagan & Krystyn, Leopold & Okuyucu, Cengiz & Bedi, Yavuz', 117],
    ['Trubovitz, Sarah & Renaudie, Johan & Lazarus, David', 143],
    ['Other (551)', 2758]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=5222)',
    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);