function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ameghiniana', 1],
    ['Biodiversity Data Journal', 1],
    ['Bulletin of Geosciences', 2],
    ['Deterville', 1],
    ['Fossil Imprint', 7],
    ['Geologische Rundschau', 1],
    ['Journal of Natural History', 1],
    ['Journal of Systematic Palaeontology', 2],
    ['Ministerstvo Geologii RSFSR Severo-Zapadnoe Territorialnoe', 1],
    ['Palaeontologia Electronica', 1],
    ['Proceedings of the United States National Museum', 2],
    ['The American Journal of Science, Series 3', 1],
    ['Transactions of the geological society of London, 2', 1],
    ['Zoosystema', 5],
    ['Zootaxa', 27],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=55)',
    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);