function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. F. Rose', 1],
    ['Anales del Museo Nacional de Historia Natural de Montevideo, Serie 2', 1],
    ['Annale van die Suid-Afrikaanse Museum [Annals of the South African Museum]', 1],
    ['Annali del Museo Civico di Storia Naturale \' Giacomo Doria\'', 1],
    ['Anzeiger', 2],
    ['Bulletin of the American Museum of Natural History', 1],
    ['Bulletin of the United States Fish Commission', 3],
    ['Bulletin of the United States National Museum', 1],
    ['Discovery Reports', 1],
    ['Henrico Lichtenstein', 2],
    ['Journal of the Academy of Natural Sciences of Philadelphia', 2],
    ['Mölleri apud Heineck et Faber', 5],
    ['Nouveaux Mémoires de la Société Impériale des Naturalistes de Moscou', 3],
    ['Proceedings of the United States National Museum, 3', 3],
    ['Transactions of the Literary and Philosophical Society of New York', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=39)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);