function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['American Museum Novitates', 7],
    ['Anzeiger', 12],
    ['Asiatic Researches', 11],
    ['Bulletin de la Société Zoologique de France', 10],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 9],
    ['Monatsberichte der Akademie der Wissenschaft zu Berlin', 7],
    ['Natuurkunde Tijdschrift voor Nederlandsche-Indië', 15],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 21],
    ['Proceedings of the Zoological Society of London, B', 18],
    ['Publicacoes Culturais da Companhia de Diamantes Angola', 7],
    ['Records of the Indian Museum', 8],
    ['Revue Zoologique Africaine', 9],
    ['Revue de Zoologie et de Botanique Africaines', 12],
    ['Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen', 9],
    ['Zootaxa', 22],
    ['Other (87)', 168]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=345)',
    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);