function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, J.', 6],
    ['Bargiela, Jaqueline Fernandez', 3],
    ['Blasco-Costa, Isabel & Montero, F. E. & Gibson, David Ian', 3],
    ['Linton, E.', 5],
    ['Looss, A.', 6],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 3],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 3],
    ['Lunaschi, Lía I.', 3],
    ['Machida, Masaaki', 3],
    ['Margarita Ostrowski de Núñez & Nathalia J. Arredondo', 16],
    ['Martin, W. E.', 9],
    ['Pulis, Eric E. & Overstreet, Robin M.', 4],
    ['Szidat, L.', 5],
    ['Thatcher, Vernon E.', 4],
    ['Zhou, Meng & Wang, Li & May, Tom W. & Vlasak, Josef', 7],
    ['Other (56)', 72]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=152)',
    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);