function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amaral, Fernanda M. D. & Steiner, Andrea Q.', 1],
    ['Bernal, M. C. & Cairns, S. D. & Penchaszadeh, P. E.', 25],
    ['Cairns, Stephen D. & Lindner, Alberto', 28],
    ['Cairns, Stephen D. & Zibrowius, Helmut', 30],
    ['Chakraborty, Oishinee & Raghunathan, C. & Chandra, Kailash', 1],
    ['Estrada, Patricia', 4],
    ['Gray, John Edward', 1],
    ['Moseley, Henry Nottidge', 11],
    ['OLIVEIRA, OTTO M. P. & MIRANDA, THAÍS P. & ARAUJO, ENILMA M.', 15],
    ['Pica, Daniela & Cairns, Stephen D. & Puce, Stefania', 8],
    ['Schejter, L. & Genzano, G. & Pérez, C. D. & Acuña, F.', 1],
    ['Studer, T.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=128)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);