function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Espinasa, Luis & Bartolo, Nicole D. & Centone, Danielle M.', 1],
    ['Espinasa, Luis & Bartolo, Nicole D. & Sloat, Solomon', 1],
    ['Espinasa, Luis & Smith, Graeme B.', 5],
    ['Espinasa, Luis & Sprous, Peter & Posso, Kara & Mitchell, Andrew', 1],
    ['Eusébio, Rita & Sendra, Alberto & Enghoff, Henrik', 1],
    ['Kaplin, V. G. & Vasin, V. G.', 2],
    ['Meurgey, François & Ramage, Thibault', 1],
    ['Molero, Rafael & Bach, Carmen & Sendra, Alberto', 15],
    ['Molero-Baltanás, Rafael & Gaju-Ricart, Miquel & Fišer, Žiga', 9],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Silvestri, Filippo', 2],
    ['Smith, Graeme B.', 2],
    ['Smith, Graeme B. & Eberhard, Stefan M. & Perina, Giulia', 2],
    ['Smith, Graeme B. & Mitchell, Andrew & Mesaglio, Thomas', 3],
    ['Tahami, Mohadeseh Sadat & Molero, Rafael & Gaju, Miquel', 4],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=52)',
    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);