function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Archiv für Fischereiwissenschaft', 3],
    ['Australian zoologist', 1],
    ['Bulletin de l\'Institut Océanographique de Monaco', 2],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 1],
    ['Bulletin of the Bingham Oceanographic Collection Yale University', 1],
    ['Cah. Indo-Pacif.', 1],
    ['Copeia', 1],
    ['European Journal of Taxonomy', 11],
    ['Japanese Journal of Ichthyology', 1],
    ['Marine Investigations in South Africa', 1],
    ['Report of the Fisheries and Marine Biological Survey, Union of South Africa', 1],
    ['Smithsonian Contributions to Zoology', 2],
    ['The Danish “', 6],
    ['Voprosy Ikhtiologii', 13],
    ['Zootaxa', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=50)',
    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);