function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alonso, Felipe & Terán, Guillermo Enrique', 3],
    ['Costa, Wilson & Cheffe, Morevy & Amorim, Pedro', 2],
    ['Costa, Wilson J. E. M. & Cheffe, Morevy M.', 2],
    ['Costa, Wilson J. E. M. & Reis, Roberto E. & Behr, Everton R.', 1],
    ['Ferrer, Juliano & Malabarba, Luiz R. & Costa, Wilson J. E. M.', 1],
    ['Lanés, Luis Esteban Krause & Gonçalves, Ândrio Cardozo', 1],
    ['Lanés, Luis Esteban Krause & Volcan, Matheus Vieira', 2],
    ['Loureiro, Marcelo & Azpelicueta, María de las Mercedes', 1],
    ['Loureiro, Marcelo & Duarte, Alejandro & Zarucki, Matías', 1],
    ['Loureiro, Marcelo & García, Graciela', 4],
    ['M Costa, Wilson J. E. & Cheffe, Morevy M.', 4],
    ['Paul V. Loiselle', 1],
    ['Volcan, Matheus Vieira & Barbosa, Crislaine', 3],
    ['Wilson J. E. M. Costa', 47],
    ['Wilson J. E. M. Costa & Morevy M. Cheffe', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=80)',
    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);