function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta cientifica venezolana', 1],
    ['Arquivos do Museu Nacional Rio de Janeiro', 1],
    ['Check List', 4],
    ['Comunicaciones del Museo Argentino de Ciencias Naturales - Bernardino Rivadavia- e Instituto Nacional de Investigacion de las Ci', 1],
    ['Copeia', 2],
    ['Cybium', 1],
    ['Evencias', 1],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 2],
    ['Neotropical Ichthyology', 54],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the California Academy of Sciences, Series 4', 2],
    ['University of Kentucky', 2],
    ['Zoological Journal of the Linnean Society', 19],
    ['Zoosystema', 2],
    ['Zootaxa', 9],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=109)',
    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);