function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arakawa, Shinji', 9],
    ['Boonzaaier-Davids, Melissa K. & Florence, Wayne K.', 1],
    ['Dick, Matthew H. & Tilbrook, Kevin J. & Mawatari, Shunsuke F.', 1],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 10],
    ['Gordon, Dennis P.', 1],
    ['Gordon, Dennis P. & Taylor, Paul D.', 2],
    ['Gray, John Edward', 1],
    ['Hayward, Peter J. & Winston, Judith E.', 4],
    ['Judith L Winston', 3],
    ['López-Gappa, Juan & Liuzzi, María G. & Castro, Karen L.', 1],
    ['Martino, Emanuela Di', 1],
    ['Martino, Emanuela Di & Taylor, Paul D', 3],
    ['Matsuyama, Kei & Janssen, Annika & Arbizu, Pedro Martínez', 2],
    ['Ramalho, Laís V. & Calliari, Lauro', 1],
    ['Taylor, Paul D. & Villier, Loïc', 4],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);