function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, E.', 11],
    ['Ancajima, Georgette Paola & Duarte, Marcelo', 5],
    ['Denis, Michael & Schiffermu ̈ ller, Ignaz', 8],
    ['Esper, Eugen Johann Christoph', 7],
    ['Fabricius, Johann Christian', 7],
    ['Hübner, Jacob', 7],
    ['Komal, J. & Shashank, P. R. & Sondhi, Sanjay & Madan, Sohail', 20],
    ['Lima, Tauanny Maria Almeida & Sena, Jasmine Déa Nogueira', 8],
    ['Linnaeus, Carolus', 43],
    ['Mbata, Keith J. & Prins, Jurate De', 105],
    ['Miller, Jacqueline Y. & Matthews, Deborah L. & Gott, Riley J.', 7],
    ['Rafi, Muhammad Ather & Sultan, Amir & Kitching, Ian J.', 66],
    ['Rose-Smyth, M. C. & Askew, R. R. & van, P. A. & Stafford, B.', 7],
    ['Schmidt, B. Christian', 7],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 31],
    ['Other (54)', 97]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=436)',
    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);