function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adams, Arthur & [DUPLICATE RECORD!] White, Adam', 1],
    ['Driauach, Ouafaa & Krzemińska, Ewa & Belqat, Boutaïna', 7],
    ['Ebejer, Martin J. & Gatt, Paul', 1],
    ['Kolcsár, Levente-Péter & Petrašiūnas, Andrius & Török, Edina', 1],
    ['Meigen, Johann Wilhelm', 1],
    ['Petrasiūnas, Andrius & Kvifte, Gunnar Mikalsen', 4],
    ['Petrašiūnas, Andrius', 1],
    ['Petrašiūnas, Andrius & Podenas, Sigitas', 11],
    ['Petrašiūnas, Andrius & Podėnas, Sigitas', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);