function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Bukejs, Andris', 1],
    ['Digirolomo, Marc F. & Blackington, Christopher O.', 1],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 1],
    ['Herger, Peter & Germann, Christoph', 1],
    ['Johnson, Paul J.', 3],
    ['Johnson, Paul J. & Boyd, Hannah K. & Chaboo, Caroline S.', 1],
    ['Kugelann, Johann Gottlieb', 1],
    ['Latreille, Pierre André', 2],
    ['Meurgey, François & Ramage, Thibault', 1],
    ['Muona, Jyrki', 7],
    ['Muona, Jyrki & Teräväinen, Marianna', 1],
    ['Pentinsaari, Mikko & Anderson, Robert & Borowiec, Lech', 3],
    ['Seung, Jinbae & Han, Taeman & Lee, Seunghyun & Lee, Minhyeuk', 7],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    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);