function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fauna of Saudi Arabia', 1],
    ['Ichthyological Research', 1],
    ['Japanese Journal of Ichthyology', 1],
    ['Journal of Experimental Zoology, India', 1],
    ['Proceedings of the United States National Museum, 3', 2],
    ['Raffles Bulletin of Zoology', 3],
    ['Reports of the Usa Marine Biological Station', 1],
    ['Revue française d\'Aquariologie Herpétologie', 1],
    ['Schweizerbart', 2],
    ['Smithiana Bulletin', 2],
    ['ZooKeys', 1],
    ['Zootaxa', 92]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=108)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);