function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Raúl & Prat, Narcís & Ribera, Carles', 1],
    ['Bate, Raymond H. & Horne, David J. & Horne, Sarah E.', 6],
    ['Cabral, Maria Cristina & Colin, Jean-Paul', 1],
    ['Cabral, Maria Cristina & Lord, Alan', 1],
    ['Chang, Cheon Young & Lee, Jimin & Smith, Robin J.', 2],
    ['Danielopol, Dan L. & Namiotko, Tadeusz & Horne, David J.', 2],
    ['Karanovic, Ivana & Datry, Thibault', 2],
    ['Karanovic, Ivana & Lee, Wonchoel', 3],
    ['Meisch, Claude & Smith, Robin J. & Martens, Koen', 16],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 2],
    ['RAUSCH, LEA & STOICA, MARIUS & LAZAREV, SERGEI', 5],
    ['Shearn, Rylan & Halse, Stuart & Koenders, Annette & Schön, Isa', 1],
    ['Smith, Robin J.', 1],
    ['Smith, Robin James & Kamiya, Takahiro', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);