function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the New York Academy of Sciences', 6],
    ['Anzeiger', 7],
    ['Boletin Taxonómico-Ministerio de Agricultura y Cría. Laboratorio de Pesquería', 12],
    ['Bulletin du Muséum National d’Histoire Naturelle, Série 2', 2],
    ['Check List', 6],
    ['Ichthyological Exploration of Freshwaters', 2],
    ['Ind. Univ. Studies', 2],
    ['Memoirs of the Carnegie Museum', 2],
    ['Neotropical Ichthyology', 11],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 4],
    ['Proceedings of the Biological Society of Washington', 7],
    ['Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaften Classe', 4],
    ['Smithsonian Contributions to Zoology', 3],
    ['The West American Scientist', 3],
    ['Zootaxa', 10],
    ['Other (17)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=99)',
    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);