function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alderslade, Philip & Mcfadden, Catherine S.', 1],
    ['Alderslade, Philip & S, Catherine', 2],
    ['Benayahu, Yehuda & McFadden, Catherine S. & Shoham, Erez', 2],
    ['Breedy, Odalisca & Ofwegen, Leen van & McFadden, Catherine S.', 2],
    ['Castro, C. B. & Medeiros, M. S. & Loiola, L. L.', 3],
    ['Devictor, Susan T. & Morton, Steve L.', 9],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 5],
    ['Lam, Katherine & Morton, Brian', 1],
    ['Lau, Yee Wah & Reimer, James D.', 1],
    ['Lau, Yee Wah & Stokvis, Frank R. & Imahara, Yukimitsu', 2],
    ['Namin, Samimi & Ofwegen, Van', 1],
    ['Ocaña, Oscar & Çinar, Melih Ertan', 1],
    ['Ofwegen, Van', 2],
    ['Periasamy, Rengaiyan & Kurian, Palayil John & Ingole, Baban', 2],
    ['Van Ofwegen, L. P. & Häussermann, V. & Försterra, G.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    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);