function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Schnedl, Sara-Maria & Janssen, Ronald', 21],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 1],
    ['Boldin, Vladislav I. & Nikitin, Yuri G.', 2],
    ['Fuersich, Franz T. & Alberti, Matthias & Pandey, Dhirendra K.', 6],
    ['Hickman, Carole S.', 13],
    ['Ivanova, Mariya B. & Tsurpalo, Alexandra P.', 2],
    ['Lam, Katherine & Morton, Brian & Leung, K. F.', 2],
    ['Lutaenko, K. A. & Artemieva, N. G.', 5],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 3],
    ['Oliver, P. Graham & Holmes, Anna', 11],
    ['Oliver, P. Graham & Holmes, Anna & Killeen, Ian & Light, Janice', 15],
    ['Pacaud, Jean-Michel', 4],
    ['Raines, Bret & Huber, Markus', 12],
    ['Tudu, Prasad Chandra & Yennawar, Prasanna & Mohapatra, Anil', 14],
    ['Urcola, Matias Ricardo & Zelaya, Diego Gabriel', 17],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=130)',
    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);