function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adrain, Jonathan M. & Peters, Shanan E. & Westrop, Stephen R.', 5],
    ['Hopkins, Melanie J.', 11],
    ['Liu, Yu-Hai', 1],
    ['Motschulsky, Victor de', 1],
    ['Smith, Patrick M. & Paterson, John R. & Brock, Glenn A.', 9],
    ['Taylor, John F. & Loch, James D. & Repetski, John E.', 5],
    ['Unger, Tanja & Hildenbrand, Anne & Stinnesbeck, Wolfgang', 9],
    ['Westrop, Madison Armstrong Stephen R. & Eoff, Jennifer D.', 18],
    ['Westrop, Stephen R. & Dengler, Alyce A.', 2],
    ['Zhao, Wenyu & Liu, Jianni & Bicknell, Russell D. C.', 4],
    ['Żylińska, Anna & Kin, Adrian & Nowicki, Jakub', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);