function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carvalho, Edrielly C. & Maldaner, Maria Eduarda', 1],
    ['Chamorro, William & Marin-Armijos, Diego & senjo, Angelico', 4],
    ['Cárdenas-Bautista, Johann Stephens', 1],
    ['Ferreira, André Da Silva & Araújo, Maíra Xavier', 1],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 7],
    ['Silva, Fernando A. B. & Genier, Francois', 1],
    ['Silva, Fernando A. B. & Valois, Marcely', 25],
    ['Silva, Fernando Augusto Barbosa', 1],
    ['Vaz-De-Mello, Fernando Z. & Silva, Fernando A. B.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=46)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);