function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ardila, Carlos', 5],
    ['Armbruster, Jonathan W.', 2],
    ['Armbruster, Jonathan W. & Taphorn, Donald C.', 1],
    ['Chambrier, Sophie De & Montoya-Burgos, Juan I.', 2],
    ['Dahl, G.', 1],
    ['Eigenmann, C. H.', 1],
    ['Fowler, Henry Weed', 2],
    ['Francisco Provenzano & Nadia Milani', 1],
    ['Jonathan W. Armbruster', 15],
    ['Schultz, Leonard P.', 1],
    ['Silva, Gabriel S. C. & Roxo, Fabio F. & Oliveira, Claudio', 2],
    ['Silva, Gabriel de Souza da Costa e & Roxo, Fabio Fernandes', 1],
    ['Steindachner, F.', 1],
    ['Willink, Philip W. & Mol, Jan H. & Chernoff, Barry', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);