function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Bakker, Piet A. J. & Janssen, Ronald', 2],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 3],
    ['Avery Snyder, Martin', 2],
    ['De, Paulino J. S. & Souza', 2],
    ['DeVries, Thomas J.', 2],
    ['Finet, Yves & Snyder, Martin Avery', 40],
    ['Hadorn, Roland & Fraussen, Koen', 8],
    ['Hansen, Thomas', 9],
    ['Johnson, Norman F. & Musetti, Luciana', 2],
    ['Kantor, Yuri I. & Fedosov, Alexander E. & Snyder, Martin Avery', 17],
    ['Lyons And Martin Avery Snyder, William G.', 10],
    ['Lyons, William G. & Snyder, Martin Avery', 20],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 3],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 7],
    ['Snyder, Martin Avery & Hadorn, Roland', 2],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=144)',
    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);