function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. Constable', 6],
    ['Annali del Museo Civico di Storia Naturale di Genova', 1],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Annals of the Carnegie Museum', 1],
    ['Aquarien und Terrarien Zeitschrift', 4],
    ['Aquarium Aqua Terra', 4],
    ['Biodiversity Data Journal', 4],
    ['Bulletin de la Société Philomathique de Paris, Série 7', 1],
    ['Bulletin de la Société Zoologique de France', 1],
    ['F. G. Levrault', 6],
    ['Ichthyological Exploration of Freshwaters', 15],
    ['Proceedings of the Zoological Society of London, B', 4],
    ['Raffles Bulletin of Zoology', 30],
    ['Records of the Indian Museum', 2],
    ['Zootaxa', 29],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=120)',
    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);