function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alicata, Antonio & Schifani, Enrico', 3],
    ['Borowiec, Lech & Salata, Sebastian', 6],
    ['Emery, C.', 64],
    ['Forel, A.', 25],
    ['Gratiashvili, N. & Barjadze, S.', 8],
    ['Guénard, Benoit & Mccaffrey, Katherine A. & Lucky, Andrea', 11],
    ['Kiran, Kadri & Karaman, Celal', 7],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 10],
    ['Longino, J. T. & Cover, S. P.', 3],
    ['Santschi, F.', 5],
    ['Schifani, Enrico & Alicata, Antonio', 7],
    ['Shattuck, S. O.', 9],
    ['Shattuck, Steve & Cover, Stefan', 6],
    ['Shattuck, Steven O', 10],
    ['Ward, P. S.', 8],
    ['Other (17)', 26]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=208)',
    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);