function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adams, Arthur', 15],
    ['Amati, Bruno & Appolloni, Massimo & Giulio, Andrea Di', 12],
    ['Amati, Bruno & Giulio, Andrea Di & Oliverio, Marco', 47],
    ['Amati, Bruno & Taviani, Marco & Oliverio, Marco', 7],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 27],
    ['Cordeiro, Ricardo & Avila, Sergio P.', 6],
    ['Gofas, Serge', 58],
    ['Hansen, Thomas', 7],
    ['Hasegawa, Kazunori', 6],
    ['Lozouet, Pierre', 4],
    ['Luca, Javier Di & Zelaya, Diego G.', 4],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 19],
    ['Oliver, J. D. & Rolán, E. & Templado, J.', 4],
    ['Oliver, Joan Daniel & Gofas, Serge & Urgorri, Victoriano', 29],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 6],
    ['Other (15)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=276)',
    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);