function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albertson, Winston D. & Wood, Hn. R. I.', 8],
    ['Assing, Volker', 12],
    ['Bremekamp, Cornelis Eliza Bertus', 6],
    ['Burgos-Hernandez, Mireya & Castillo-Campos, Gonzalo', 5],
    ['Callmander, Martin W. & Phillipson, Peter B.', 5],
    ['Daniel, Thomas F.', 22],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 11],
    ['Dominique Champluvier', 18],
    ['Jarvis, Charlie', 51],
    ['Linnaeus, Carolus', 14],
    ['Magnaghi, Emily B. & Daniel, Thomas F.', 14],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 10],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 15],
    ['Patil, Suraj S. & Deshmukh, Pradip V. & Lekhak, Manoj M.', 6],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 30],
    ['Other (91)', 128]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=355)',
    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);