function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bleeker, Pieter', 25],
    ['Boulenger, George Albert', 21],
    ['Daget, J.', 8],
    ['Eagderi, Soheil & Mouludi-Saleh, Atta & Esmaeili, Hamid Reza', 5],
    ['Fowler, Henry Weed', 28],
    ['Holly, M.', 7],
    ['Kessler, K. T.', 5],
    ['Lohberger, K.', 5],
    ['McClelland, J.', 16],
    ['Pellegrin, J.', 17],
    ['Peters, Wilhelm Carl Hartwig', 7],
    ['Poll, M.', 10],
    ['Résumé, Jacques Daget', 5],
    ['Steindachner, F.', 6],
    ['Vinciguerra, Decio', 5],
    ['Other (102)', 175]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=345)',
    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);