function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 1],
    ['Anales de la Escuela Nacional de Ciencias Biologicas', 1],
    ['Biodiversity Data Journal', 2],
    ['Bulletin of the Alabama Museum of Natural History', 2],
    ['Bulletin of the Illinois State Laboratory of Natural History', 3],
    ['Bulletin of the United States Fish Commission', 7],
    ['Copeia', 10],
    ['Field Columbian Museum Zoological Series', 3],
    ['Occasional Papers of the Museum of Zoology, University of Michigan', 2],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the United States National Museum, 3', 8],
    ['Pub. Univ. Oklahoma Biol. Surv.', 3],
    ['Report of the United States Commissioner of Fish and Fisheries', 2],
    ['Texas Journal of Science', 3],
    ['The American Naturalist', 6],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=66)',
    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);