function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alexander, Timothy & Seehausen, Ole', 5],
    ['Artaev, Oleg N. & Turbanov, Ilya S. & Bolotovskiy, Aleksey A.', 1],
    ['Baycelebi, Esra & Aksu, Ismail & Turan, Davut', 1],
    ['Berg, L. S.', 1],
    ['Bogutskaya, Nina G. & Diripasko, Oleg A. & Palandačić, Anja', 7],
    ['Cope, Edward Drinker', 1],
    ['Denys, Gaël P. J. & Dettai, Agnès & Persat, Henri', 17],
    ['Dybowski, B. I.', 1],
    ['Heckel, J. J.', 1],
    ['Kessler, K. T.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Perty, Josef Anton Maximilian Prof. Dr.', 1],
    ['Sauvage, H. E.', 1],
    ['Skelton, C. E.', 1],
    ['Starnes, Wayne C. & Starnes, L. B.', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    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);