function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Academii Nauk', 1],
    ['Acta Medicinae Okayama', 1],
    ['Allan Hancock Pacific Expeditions', 2],
    ['Journal of Parasitology', 5],
    ['Pacific Science', 2],
    ['Pakistan Journal of Zoology', 2],
    ['Proceedings of the Helminthological Society of Washington', 2],
    ['Revista del Instituto Nacional de Investigación de las Ciencias Naturales y Museo Argentio de Ciencias Naturales " Bernardino Ri', 2],
    ['Revue suisse de Zoologie', 6],
    ['Scientific Survey of Porto Rico and the Virgin Islands', 2],
    ['Systematic Parasitology', 5],
    ['The American Midland Naturalist', 3],
    ['Transactions of the Biogeographical Society of Japan', 2],
    ['ZooKeys', 2],
    ['Zootaxa', 17],
    ['Other (35)', 35]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=89)',
    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);