function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ann. Soc. Agr Lyon', 3],
    ['Annales zoologici', 5],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Biodiversity Data Journal', 17],
    ['Deutsche Entomologische Zeitschrift', 8],
    ['Fragmenta Faunistica', 6],
    ['Insect life', 2],
    ['Linzer biologische Beiträge', 4],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['The Coleopterists Bulletin', 27],
    ['The Scientific Transactions of the Royal Dublin Society, Series 2', 3],
    ['Trans R Soc S Aust', 2],
    ['ZooKeys', 32],
    ['Zoosystema', 7],
    ['Zootaxa', 43],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=175)',
    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);