function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Batelka, Jan & Bologna, Marco A.', 11],
    ['Batelka, Jan & Hájek, Jiří', 73],
    ['Bologna, M. A. & Pinto, J. D.', 67],
    ['Bologna, Marco A. & Amore, Valentina & Pitzalis, Monica', 80],
    ['Bologna, Marco A. & Turco, Federica', 61],
    ['Campos-Soldini, María Paula & Roig-Juñent, Sergio Alberto', 12],
    ['Linnaeus, Carolus', 11],
    ['Pan, Zhao & Bologna, Marco A.', 27],
    ['Pan, Zhao & Ren, Guo-Dong', 14],
    ['Pan, Zhao & Ren, Guodong', 46],
    ['Pitzalis, Monica & Bologna, Marco A.', 9],
    ['Pérez-Hernández, Cisteil Xinum', 11],
    ['Serri, Sayeh & Bologna, Marco A. & Riccieri, Alessandra', 12],
    ['Turco, Federica & Bologna, Marco A.', 31],
    ['Walker, Francis', 10],
    ['Other (52)', 113]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=588)',
    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);