function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aqua, Journal of Ichthyology and Aquatic Biology', 3],
    ['Bulletin of the United States Fish Commission', 1],
    ['Cybium', 1],
    ['Editions de l\'Océan Indien, Stanley', 1],
    ['Ichthyological Bulletin of the J. L. B. Smith Institute of Ichthyology', 1],
    ['Ichthyological Research', 1],
    ['Journal of Aquariculture and Aquatic Sciences', 1],
    ['Journal of the Ocean Science Foundation', 3],
    ['Micronesica', 5],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 1],
    ['Occasional Papers of the Bernice P. Bishop Museum', 2],
    ['Revue française d\'Aquariologie Herpétologie', 7],
    ['Tropical Reef Research', 1],
    ['ZooKeys', 3],
    ['Zootaxa', 10],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=42)',
    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);