function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. Constable', 1],
    ['Acta de la Academia Nacional de Ciencias Exactas', 1],
    ['American Museum Novitates', 1],
    ['Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the \' Magazine of Botany ', 1],
    ['Archiv für Naturgeschichte', 1],
    ['Biodiversity Data Journal', 1],
    ['Bulletin of the Department of Marine Biology Oceanogr. University of Kerala', 1],
    ['Calcutta Journal of Natural History, and Miscellany of the Arts and Sciences in India', 7],
    ['Check List', 3],
    ['Comptes Rendus Hebdomadaires des Séances de l\'Académie des Sciences, Série D, Sciences Naturelles', 1],
    ['Indian Journal of Helminthology', 2],
    ['Journal and Proceedings of the Asiatic Society of Bengal', 1],
    ['Journal of the Bombay Natural History Society', 1],
    ['Neotropical Ichthyology', 2],
    ['Zootaxa', 14],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=47)',
    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);