function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Bakker, Piet A. J.', 1],
    ['Albano, Paolo G. & Bakker, Piet A. J. & Sabelli, Bruno', 5],
    ['Albano, Paolo G. & Franco, Davide Di & Azzarone, Michele', 1],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 3],
    ['Bakker, Piet A. J. & Albano, Paolo G.', 35],
    ['Blake, Joseph (Rev.)', 3],
    ['Cavallari, Daniel Caracanhas & Almeida, Sérgio Mendonça', 2],
    ['Hansen, Thomas', 2],
    ['Harzhauser, Mathias & Guzhov, Aleksandr & Landau, Bernard', 141],
    ['Islamoğğlu, Yeşşim & Dominio, Stefano & Kowalke, Thorsten', 3],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 2],
    ['Martín-González, Esther & Vera-Peláez, José Luis', 2],
    ['Moore, Charles', 8],
    ['Strong, Ellen E.', 2],
    ['Zvonareva, Sofya & Kantor, Yuri', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=217)',
    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);