function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Veterinaria Hungarica', 1],
    ['Analele Institutului de Cercetari Piscicole al Romaniei', 1],
    ['Arkiv for Zoologi Stockholm', 1],
    ['Biodiversity Data Journal', 2],
    ['Canadian Journal of Zoology', 1],
    ['Dobutsugaku Zasshi', 2],
    ['Izvestiya Tikhookeanskoi Nauchno-Promyslovi Ostantsii', 1],
    ['Journal of Parasitology', 7],
    ['Proceedings of the Indian Academy of Sciences, Section B', 1],
    ['Proceedings of the West Virginia Academy of Sciences.', 1],
    ['Revista de Biologia del Uruguay', 1],
    ['Revista del Instituto Nacional de Investigación de las Ciencias Naturales y Museo Argentio de Ciencias Naturales " Bernardino Ri', 2],
    ['Roosevelt Wild Life Annals', 1],
    ['Systematic Parasitology', 1],
    ['Transactions of the American Microscopical Society', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=28)',
    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);