function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bitner, Maria Aleksandra', 46],
    ['Bitner, Maria Aleksandra & Logan, Alan', 29],
    ['Bitner, Maria Aleksandra & Lozouet, Pierre & Cahuzac, Bruno', 7],
    ['Bitner, Maria Aleksandra & Moissette, Pierre', 11],
    ['Bitner, Maria Aleksandra & Romanin, Marco', 6],
    ['Davidson, T.', 6],
    ['Fauré, Philippe & Alméras, Yves & Sekatni, Najla', 11],
    ['Gerovasileiou, Vasilis & Bailly, Nicolas', 20],
    ['MACFARLAN, DONALD ALEXANDER BANKIER', 13],
    ['Nauendorf, Alice & Wörheide, Gert & Lüter, Carsten', 7],
    ['Rojas, Alexis & Gracia, Adriana & Patarroyo, Pedro', 7],
    ['Sandy, Michael R. & Hryniewicz, Krzysztof & Hammer, Øyvind', 14],
    ['Schemm-Gregory, Mena & Henriques, Maria Helena', 18],
    ['Sowerby, James DeCarle', 8],
    ['Sulser, H. & Hostettler, Bernhard', 14],
    ['Other (18)', 40]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=257)',
    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);