function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdelsalam, Khaled M. & Taylor, Paul D. & Dorgham, Mohamed M.', 2],
    ['Almeida, Ana C. S. & Souza, Facelucia B. C. & Farias, Jamile', 1],
    ['Almeida, Ana C. S. & Souza, Facelucia B. C. & Menegola, Carla', 1],
    ['Cumming, Robyn L. & Sebastian, Pascal', 2],
    ['Cumming, Robyn L. & Tilbrook, Kevin J.', 7],
    ['Dick, Matthew H. & Grischenko, Andrei V.', 2],
    ['Dick, Matthew H. & Tilbrook, Kevin J. & Mawatari, Shunsuke F.', 1],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 2],
    ['Martino, Emanuela Di & Taylor, Paul D.', 2],
    ['Sebastian, Pascal & Cumming, Robyn L.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    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);