function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Canal, Nelson A.', 9],
    ['Clavijo, Pedro Alexander Rodriguez & Miret, Luz Maria', 19],
    ['Namin, Saeed Mohamadzade & Korneyev, Valery A.', 1],
    ['Norrbom, Allen L. & Castillo-Meza, Ana Lucía', 2],
    ['Norrbom, Allen L. & Korytkowski, Cheslavo A.', 58],
    ['Norrbom, Allen L. & Muller, Alies & Gangadin, Anielkoemar', 17],
    ['Norrbom, Allen L. & Uchôa, Manoel A.', 4],
    ['Ramos, Elizabeth Quisberth & Norrbom, Allen L.', 63],
    ['Rodriguez, Erick J. & Steck, Gary J. & Moore, Matthew R.', 9],
    ['Rodriguez, Pedro Alexander & Norrbom, Allen L.', 11],
    ['Savaris, Marcoandre & Marinoni, Luciane & Norrbom, Allen L.', 47],
    ['Troya, Henry & Norrbom, Allen L. & Bolanos Pineda, Julia E.', 2],
    ['Uramoto, Keiko & Araújo, Alexandre S. & Savaris, Marcoandre', 2],
    ['Uramoto, Keiko & Zucchi, Roberto A. & Norrbom, Allen L.', 3],
    ['Uramoto, Keiko & Zucchi, Roberto Antonio', 4],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=254)',
    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);