function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ayoro, Halamoussa Joëlle & Segniagbeto, Gabriel Hoinsoudé', 2],
    ['Badjedjea, Gabriel & Masudi, Franck M. & Akaibe, Benjamin Dudu', 4],
    ['Conradie, Werner & Bittencourt-Silva, Gabriela B.', 2],
    ['Conradie, Werner & Keates, Chad & Verburgt, Luke', 2],
    ['Goutte, Sandra & Reyes-Velasco, Jacobo & Boissinot, Stephane', 1],
    ['Greenwood, Laura & Loader, Simon P. & Lawson, Lucinda', 2],
    ['Hillers, Annika & Zimkus, Breda & Rödel, Mark-Oliver', 1],
    ['Kanga, Kouassi Philippe & Kouamé, N’Goran Germain', 11],
    ['Kpan, Tokouaho Flora & Kouamé, N’Goran Germain', 1],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 2],
    ['Pickersgill, Martin & Zimkus, Breda M. & Raw, Lynn R. G.', 1],
    ['Rödel, Mark-Oliver & Burger, Marius', 2],
    ['Santos, Bruna S. & Marques, Mariana P. & Bauer, Aaron M.', 2],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 6],
    ['Zimkus, Breda M.', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);