function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Steger, Jan & Bakker, Piet A. J.', 1],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 6],
    ['Brown, Leonard & Raines, Bret', 4],
    ['Dall, William Healey', 2],
    ['Hansen, Thomas', 16],
    ['Huang, Chih-Wei & Lee, Yen-Chen', 42],
    ['Lima, Silvio Felipe Barbosa & Christoffersen, Martin Lindsey', 3],
    ['Luca, Javier Di & Zelaya, Diego G.', 2],
    ['Ortega, José Rafael & Gofas, Serge', 3],
    ['Poppe, Guido', 2],
    ['Röding, Peter Friedrich', 9],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 4],
    ['Sirenko, Boris I. & Drobyazin, Evgeny N.', 2],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 2],
    ['Zelaya, Diego G. & Güller, Marina', 10],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=123)',
    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);