function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Philippe V. & Vieira, Fabiano M. & Santos, Cláudia P.', 2],
    ['Ayres, W. O.', 3],
    ['Duméril, Auguste Henri André', 6],
    ['Eagderi, Soheil & Mouludi-Saleh, Atta & Esmaeili, Hamid Reza', 7],
    ['Fitzinger, Leopold Joseph Franz Johann & Heckel, J. J.', 5],
    ['Forster, Joannes Reinholdus', 3],
    ['Güldenstädt, A. J. von', 2],
    ['Laan, Richard Van Der', 5],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['Lambe L. M.', 2],
    ['Linnaeus, Carolus', 5],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 3],
    ['Sayyadzadeh, Golnaz & Esmaeili, Hamid Reza', 7],
    ['Çiçek, Erdoğan & Fricke, Ronald & Eagderi, Soheil', 3],
    ['Çiçek, Erdoğan & Jawad, Laith & Eagderi, Soheil', 3],
    ['Other (28)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=89)',
    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);