function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barr, Cheryl B. & Shepard, William D.', 10],
    ['Bilton, David T. & Shepard, William D.', 3],
    ['Borges, Paulo A. V. & Gaspar, Clara', 4],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Greń, Czesław & Przewoźny, Marek & Szczepański, Wojciech T.', 1],
    ['Grouvelle, Antoine', 17],
    ['Hinton, Howard Everest', 1],
    ['Hubbard, Todd', 1],
    ['K, Julia Baumann', 1],
    ['Kodada, Ján & Jäch, Manfred A. & Jr, Fedor Č Iampor', 1],
    ['Kodada, Ján & Jäch, Manfred A. & Jr, Čiampor Fedor', 4],
    ['Kodada, Ján & Selnekovič, Dávid & Jäch, Manfred A.', 3],
    ['Lojková, Soňa & Degma, Peter & Kodada, Ján', 3],
    ['Luna-Luna, Alba Magali & Martins, Caleb Califre', 5],
    ['Majka, Christopher', 2],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    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);