function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arias, Elizabeth T. & Slipinski, Adam & Lawrence, John F.', 6],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 3],
    ['Crowson, Roy A.', 7],
    ['Fabricius, Johann Christian', 3],
    ['Gimmel, Matthew L. & Leschen, Richard A. B.', 20],
    ['JIŘÍ KOLIBÁČ', 3],
    ['Kolibac, Jiri', 74],
    ['Kolibáč, Jiří', 8],
    ['Kolibáč, Jiří & Bocakova, Milada & Liebherr, James K.', 3],
    ['Kolibáč, Jiří & Schmied, Heiko & Wappler, Torsten', 6],
    ['Lawrence, John F. & Leschen, Richard A. B. & Ślipiński, Adam', 10],
    ['Lawrence, John F. & Slipinski, Adam', 5],
    ['Leschen, Richard A. B. & Lackner, Tomáš', 4],
    ['Peck, Stewart B.', 4],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 4],
    ['Other (28)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=193)',
    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);