function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carvalho, Anny Rafaela De Araújo & Ghilardi, Aline Marcele', 1],
    ['GAFFNEY, EUGENE S. & FORSTER, CATHERINE A.', 2],
    ['Gaffney, Eugene S. & Hooks, G. E. & Schneider, Vincent P.', 1],
    ['Gaffney, Eugene S. & Krause, David W. & Zalmout, Iyad S.', 3],
    ['Gaffney, Eugene S. & Roberts, Eric & Sissoko, Famory', 2],
    ['Gaffney, Eugene S. & Tong, Haiyan', 1],
    ['Lapparent, France de & Chirio, Laurent & Bour, Roger', 2],
    ['Métais, Grégoire & Bartolini, Annachiara & Brohi, Imdad Ali', 3],
    ['Romano, Pedro S. R.', 1],
    ['Romano, Pedro S. R. & Gallo, Valéria & Ramos, Renato R. C.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);