function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agassiz, Jean Louis Rodolphe', 2],
    ['Artaev, Oleg & Ruchin, Alexander B.', 3],
    ['Ayres, W. O.', 3],
    ['Bleeker, Pieter', 14],
    ['Bonaparte, Charles Lucien', 14],
    ['Eagderi, Soheil & Mouludi-Saleh, Atta & Esmaeili, Hamid Reza', 3],
    ['Fowler, Henry Weed', 3],
    ['Günther, Albert Charles Lewis Gotthilf', 3],
    ['Jerdon, T. C.', 5],
    ['McClelland, J.', 6],
    ['Richardson, John', 5],
    ['Steindachner, F.', 5],
    ['Storer, D. H.', 5],
    ['Warpachowski, N. A.', 3],
    ['Çiçek, Erdoğan & Fricke, Ronald & Eagderi, Soheil', 4],
    ['Other (52)', 59]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=137)',
    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);