function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Christoph Germann', 6],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 8],
    ['González, Javier Arcos', 5],
    ['Gratiashvili, N. & Barjadze, S.', 15],
    ['Guénard, Benoit & Mccaffrey, Katherine A. & Lucky, Andrea', 6],
    ['Kiran, Kadri & Karaman, Celal', 17],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 48],
    ['Lapeva-Gjonova, Albena & Borowiec, Lech', 6],
    ['Prebus, Matthew', 6],
    ['Prebus, Matthew M.', 103],
    ['Salata, Sebastian & Borowiec, Lech', 11],
    ['Salata, Sebastian & Demetriou, Jakovos & Georgiadis, Christos', 19],
    ['Schifani, Enrico & Prebus, Matthew M. & Alicata, Antonio', 5],
    ['Snelling, Roy R. & Borowiec, Marek L. & Prebus, Matthew M.', 21],
    ['Ward, P. S.', 29],
    ['Other (24)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=350)',
    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);