function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anju, K. & Thejass, P. & Binoy, C. & Kumar, P. Girish', 5],
    ['Ebrahimi, E. & Schmid, C. & Wahis, R.', 1],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 6],
    ['Enayatnia, Masoumeh & Rakhshani, Ehsan & Kroupa, Alexander S.', 5],
    ['Fabricius, Johann Christian', 1],
    ['Gadallah, Neveen S. & Schmid-Egger, Christian', 6],
    ['John M. Leavengood, Jr. & Waichert, Cecilia & Rodriguez, Juanita', 1],
    ['Kurczewski, Frank E. & West, Rick C.', 2],
    ['Latreille, Pierre André', 1],
    ['Loktionov, V. M.', 4],
    ['Lu, Hai-Xia & Bashir, Nawaz Haider & Li, Qiang & Ma, Li', 3],
    ['Madl, Michael & P, Cryptocheilus & D, Cyphononyx', 4],
    ['Wolf, H. & D-R', 1],
    ['Ødegaard, Frode & Abenius, Johan & Paukkunen, Juho', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);