function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annunziata, Bruno B. & Cavalcanti, Thaynã', 4],
    ['Barbara, Calcinai', 2],
    ['Barros, Lydia Vieira De & Santos, George Garcia', 3],
    ['Bertolino, Marco & Cerrano, Carlo & Bavestrello, Giorgio', 2],
    ['Calcinai, Barbara & Belfiore, Giuseppe & Pica, Daniela', 2],
    ['Galindo, Helcy & Hooper, John N. A. & Pinheiro, Ulisses', 2],
    ['Goodwin, Claire & Brickle, Paul', 3],
    ['Goodwin, Claire E. & Berman, Jade & Hendry, Katharine R.', 2],
    ['Gómez, Patricia', 8],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 6],
    ['Samaai, Toufiek & Pillay, Ruwen & Janson, Liesl', 4],
    ['Turner, Thomas L. & Lonhart, Steve I.', 4],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 4],
    ['Van, Rob W. M.', 7],
    ['Zea, Sven & Rodríguez, Angélica & Martínez, Ana María', 9],
    ['Other (13)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);