function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Scientarium Naturalium Universitatis Nan Kaiensis', 5],
    ['Acta Zootaxonomica Sinica', 2],
    ['Anales de Instituto de Biología, Universidad Nacional Autónoma de México, Serie Zoologia', 1],
    ['Archives de Parasitologie', 1],
    ['Atti della Società Ligustica di Scienze Naturali e Geografiche', 1],
    ['Atti della Società Toscana di Scienze Naturali, Processi Verbali', 1],
    ['Francesco Saverio Monticelli Biol Foren', 1],
    ['Helminthologia', 1],
    ['Japanese Journal of Zoology', 7],
    ['Journal of Madras University', 1],
    ['Journal of Marine Biology Association of the United Kingdom', 1],
    ['Keigaku Publishing Company', 1],
    ['Parazitologiya', 1],
    ['Presidency College Zoology Magazine', 1],
    ['Zeitschrift fuer die Gesamte Naturwissenschaft', 5],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=34)',
    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);