function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armbruster, Jonathan W. & Provenzano, Francisco', 2],
    ['Bifi, Alessandro Gasparetto & Oliveira, Renildo Ribeiro de', 2],
    ['Bifi, Alessandro Gasparetto & Pavanelli, Carla Simone', 4],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 4],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 7],
    ['De, Lesley S. & Taphorn, Donald C. & Armbruster, Jonathan W.', 14],
    ['Eigenmann, C. H.', 3],
    ['Fisch-Muller, S. & Cardosa, A. R. & da Silva, J. F. P.', 4],
    ['Fowler, Henry Weed', 5],
    ['Francisco Provenzano & Nadia Milani', 3],
    ['Knaack, J.', 3],
    ['Kner, R.', 4],
    ['Provenzano, Francisco & Barriga-Salazar, Ramiro', 4],
    ['Steindachner, F.', 3],
    ['Taphorn, Donald C. & Armbruster, Jonathan W.', 8],
    ['Other (14)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=88)',
    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);