function drawChartSpecimensByCountry() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Specimen Count (overall)'],
    ['', 13],
    ['Burkina Faso', 3],
    ['Burundi', 6],
    ['Cameroon', 5],
    ['Central African Republic', 34],
    ['Chad', 10],
    ['Democratic Republic of the Congo', 16],
    ['Egypt', 7],
    ['Ethiopia', 4],
    ['Gambia', 4],
    ['Ghana', 4],
    ['Ivory Coast', 1],
    ['Nigeria', 6],
    ['Republic of the Congo', 5],
    ['Senegal', 10],
    ['Serbia', 4],
    ['South Sudan', 1],
    ['Sudan', 1],
    ['Tanzania', 7],
    ['Togo', 2],
    ['Zambia', 7]
  ]);
  var chartOptions = {
    region: 'world',
    fontSize: 'automatic',
    title: 'n=150',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'SpecimensByCountry', 'geo', 21, 0);
  var chart = new google.visualization.GeoChart(document.getElementById('chartDivSpecimensByCountry'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['geochart']});
google.setOnLoadCallback(drawChartSpecimensByCountry);