function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Coad, Brian', 1],
    ['Doadrio, Ignacio & Carmona, J. A. & Fernández-Delgado, C.', 1],
    ['Esmaeili, Hamid Reza & Teimori, Azad & Gholami, Zeinab', 3],
    ['Freyhof, Jörg & Weissenbacher, Anton & Geiger, Matthias', 2],
    ['Freyhof, Jörg & Yoğurtçuoğlu, Baran', 1],
    ['Freyhof, Jörg & Özuluğ, Müfit & Saç, Gülşah', 1],
    ['Gaudant, Jean', 1],
    ['Golani, Daniel', 2],
    ['José L. Blanco & Tomas Hrbek & Ignacio Doadrio', 4],
    ['Kaya, Cüneyt & Bayçelebi, Esra & Turan, Davut', 1],
    ['Labbaci, Abdelkader & Chaoui, Lamya & Bahri-Sfar, Lilia', 1],
    ['Nardo, J. D.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 5],
    ['Schulz-Mirbach, Tanja & Reichenbacher, Bettina', 8],
    ['Yoğurtçuoğlu, Baran & Freyhof, Jörg', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    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);