function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alessandrini, Giulio', 1],
    ['Arabuli, Lela & Murvanidze, Lali & Faltynkova, Anna', 2],
    ['Burton, P. R.', 1],
    ['Ciurea, Ioan', 1],
    ['Font, William F. & Heard, Richard W. & Overstreet, Robin M.', 1],
    ['Hernández-Orts, Jesús S. & Montero, F. E. & Crespo, E. A.', 1],
    ['Hernández-Orts, Jesús S. & Viola, M. Natalia Paso', 1],
    ['Linton, E.', 1],
    ['Looss, A.', 1],
    ['Lumsden, Richard D.', 1],
    ['Ostrowski de Nuñez, Margarita', 2],
    ['Price, E. W.', 4],
    ['Ransom, Brayton Howard', 2],
    ['Scholz, T. & Aguirre-Macedo, M. L. & Salgado-Maldonado, G.', 13],
    ['Travassos, L.', 4],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);