function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annotationes Zoologicae Japonenses', 1],
    ['Bibliopolii Academici Novi', 1],
    ['Biodiversity Data Journal', 9],
    ['Boletím Científico Centro de Museos Museo de Historia Natural', 1],
    ['Boletín Científico - Centro de Museos - Museo de Historia Natural', 1],
    ['C. Fritsch', 2],
    ['C. G. Proft, Fil. et Soc.', 4],
    ['Florida Entomologist', 1],
    ['Ioannis Thomae Trattner', 1],
    ['L ’ Entomologiste', 3],
    ['Laurentii Salvii', 4],
    ['Laurentius Salvius', 49],
    ['Linzer biologische Beiträge', 1],
    ['Mich. Friedr. Bartsch', 1],
    ['Zootaxa', 4],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=93)',
    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);