function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alytes, the International Journal of Batrachology', 1],
    ['American Museum Novitates', 13],
    ['Baudouin, Imprimeur du Corps législatif et de l\'Institut national, place du Carrousel, N °. 662, an 6', 1],
    ['Biodiversity Data Journal', 1],
    ['Bulletin of the American Museum of Natural History', 4],
    ['Check List', 3],
    ['Copeia', 1],
    ['Current Herpetology', 5],
    ['Joan Thomae', 4],
    ['Laurentius Salvius', 18],
    ['Raffles Bulletin of Zoology', 11],
    ['ZooKeys', 4],
    ['Zoological Journal of the Linnean Society', 17],
    ['Zoological Science', 3],
    ['Zootaxa', 30],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=129)',
    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);