function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anales del Museo Nacional de Historia Natural de Buenos Aires, Serie 3', 1],
    ['Boletim do Museu Municipal do Funchal', 1],
    ['Boletin Taxonómico-Ministerio de Agricultura y Cría. Laboratorio de Pesquería', 3],
    ['Bulletin of the Vanderbilt Marine Museum', 1],
    ['Cybium', 4],
    ['D. Carlisle', 1],
    ['European Journal of Taxonomy', 6],
    ['Giornale di Scienze, Lettere ed Arti per la Sicilia', 1],
    ['Hoffmann', 1],
    ['Journal of Systematic Palaeontology', 1],
    ['Journal of the Marine Biological Association of the United Kingdom', 1],
    ['PaleoBios', 2],
    ['Proceedings of the California Academy of Sciences, Series 2', 1],
    ['Rev. Mus. Paulista', 1],
    ['Zootaxa', 11],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=40)',
    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);