function drawChartSpecimensByCountry() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Specimen Count (overall)'],
    ['Afghanistan', 0],
    ['Belgium', 0],
    ['Canada', 0],
    ['China', 0],
    ['Czech Republic', 0],
    ['Denmark', 0],
    ['France', 0],
    ['Germany', 0],
    ['Greece', 0],
    ['Greenland', 0],
    ['Guatemala', 0],
    ['India', 0],
    ['Iran', 0],
    ['Italy', 0],
    ['Japan', 0],
    ['Mexico', 0],
    ['Norway', 0],
    ['Pakistan', 0],
    ['Portugal', 0],
    ['Serbia', 0],
    ['South Korea', 0],
    ['Spain', 0],
    ['Sweden', 0],
    ['Switzerland', 0],
    ['Taiwan', 0],
    ['Turkey', 0],
    ['United States of America', 0]
  ]);
  var chartOptions = {
    region: 'world',
    fontSize: 'automatic',
    title: 'n=0',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'SpecimensByCountry', 'geo', 27, 0);
  var chart = new google.visualization.GeoChart(document.getElementById('chartDivSpecimensByCountry'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawChartSpecimensByCountry);