function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Corona, Emily M. & Brown, Brian V.', 8],
    ['DISNEY, R. H. L.', 2],
    ['Disney, R. H. L.', 10],
    ['Disney, R. H. L. & Prescher, S. & Ashmole, N. P.', 3],
    ['Lee, Jun-Ho & Lee, Jun-Gi & Kim, Sam-Kyu', 10],
    ['Lengyel, Gábor Dániel', 1],
    ['Liu, Guang-Chun & Disney, R. Henry L.', 6],
    ['Liu, Guang-Chun & Yang, Meng', 17],
    ['Mostovski, Mike B.', 1],
    ['Saifi, Mounir & Disney, R. Henry L. & Doumandji, Salaheddine', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);