function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales de la Sociedad Española de Historia Natural', 2],
    ['Annals of the Lyceum of Natural History of New York', 1],
    ['Biodiversity Data Journal', 1],
    ['Biol. Cent. - Amer.', 1],
    ['Bulletin of the United States Bureau of Fisheries', 1],
    ['Bulletin of the United States Fish Commission', 1],
    ['Check List', 4],
    ['Copeia', 2],
    ['Ichthyological Research', 1],
    ['Journal of Natural History', 2],
    ['Memoirs of the Queensland Museum', 1],
    ['Nederlandsch Tijdschrift voor de Dierkunde', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 3],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Zootaxa', 62],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=92)',
    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);