function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antoine, Fouquet & Vacher, Jean-Pierre & Courtois, Elodie A.', 2],
    ['Barrio-Amorós, César L. & Brewer-Carías, Charles', 1],
    ['Barrio-Amorós, César L. & Santos, Juan Carlos & Jovanovic, Olga', 1],
    ['Fouquet, Antoine & Jairam, Rawien & Ouboter, Paul', 2],
    ['Fouquet, Antoine & Souza, Sergio Marques & Sales Nunes, Pedro M.', 2],
    ['Fouquet, Antoine & Vacher, Jean-Pierre & Courtois, Elodie A.', 3],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 3],
    ['Kok, Philippe J. R. & Macculloch, Ross D. & Lathrop, Amy', 4],
    ['Kok, Philippe J. R. & Nicolai, Michael P. J. & Lathrop, Amy', 1],
    ['Myers, Charles W. & Grant, Taran', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);