function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dixon-Bridges, Kylie & Gladstone, William & Hutchings, Pat', 2],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 12],
    ['Franco, Natália Bizzo & Rizzo, Alexandra E.', 2],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 3],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 1],
    ['Hossain, M. Belal & Hutchings, Pat', 1],
    ['Kuş, Sevgi & Kurt, Güley & Çinar, Melih Ertan', 4],
    ['Mikac, Barbara', 1],
    ['Murray, Anna & Wong, Eunice & Hutchings, Pat', 2],
    ['Ravara, Ascensão & Cunha, Marina R. & Pleijel, Fredrik', 11],
    ['Ribeiro, Rannyele Passos & Alves, Paulo Ricardo', 1],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 1],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);