function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 3],
    ['Conradie, Werner & Bittencourt-Silva, Gabriela B.', 2],
    ['Conradie, Werner & Branch, William R. & Watson, Gillian', 2],
    ['Crochet, Pierre-Andre & Lymberakis, Petros & Werner, Yehudah L.', 6],
    ['Delfino, Massimo & Kotsakis, Tassos & Arca, Marisa', 1],
    ['Denzer, Wolfgang & Campbell, Patrick D.', 4],
    ['Dondorp, Esther & Denzer, Wolfgang', 3],
    ['García-Díez, Teresa & González-Fernández, José E.', 1],
    ['Geniez, Philippe & Padial, José M. & Crochet, Pierre-André', 1],
    ['Ineich, Ivan', 1],
    ['Malonza, Patrick K. & Spawls, Stephen & Finch, Brian', 1],
    ['Merrem, Blasius', 3],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean-François', 4],
    ['Vanzolini, Paulo E. & Myers, Charles W.', 2],
    ['Wagner, Philipp & Leaché, Adam & Mazuch, Tomas & Böhme, Wolfgang', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);