function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Breitkreuz, Laura C. V. & Ohl, Michael & Engel, Michael S.', 50],
    ['Dollfuss, H.', 116],
    ['Dollfuss, H. & L, Crossocerus & D, Entomognathus', 148],
    ['Dollfuss, Hermann', 252],
    ['Eaumont', 77],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 292],
    ['Fabricius, Johann Christian', 64],
    ['Gadallah, Neveen S.', 438],
    ['Jacobs, Hans-Joachim & Liebig, Wolf-Harald', 98],
    ['Jahantigh, Fatemeh & Rakhshani, Ehsan & Mokhtari, Azizollah', 327],
    ['Madl, M.', 210],
    ['Madl, Michael & C, Bembecinus & F, Bembix & C, Brachystegus', 160],
    ['Mokrousov, M. V. & Proshchalykin, M. Yu. & Aliyev, Kh. A.', 185],
    ['Sadeghi, M. & Fallahzadeh, M. & Ostovan, H. & Ljubomirov, T.', 60],
    ['Schmid, C.', 49],
    ['Other (134)', 1157]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3683)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);