function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arias-Buriticá, Jorge Armando & Vaz-de-Mello, Fernando Z.', 5],
    ['Chamorro, William & Lopera-Toro, Alejandro & Rossini, Michele', 8],
    ['Chamorro, William & Marin-Armijos, Diego & senjo, Angelico', 24],
    ['Cárdenas-Bautista, Johann Stephens', 7],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 22],
    ['Maldaner, Maria E. & Nunes, Rafael V.', 4],
    ['Maldaner, Maria Eduarda & Vaz-de-Mello, Fernando Z.', 3],
    ['Montoya-Molina, Santiago & Vaz-De, Fernando Z.', 17],
    ['Nunes, Rafael V. & Carvalho, Marcela S. G.', 5],
    ['Nunes, Rafael V. & Vaz-De-Mello, Fernando Z.', 12],
    ['Nunes, Rafael V. & Vaz-de-Mello, Fernando Z.', 53],
    ['Solís, Ángel & Kohlmann, Bert', 2],
    ['Valois, Marcely C. & Silva, Fernando A. B.', 10],
    ['Valois, Marcely C. & Vaz-De-Mello, Fernando Z.', 9],
    ['Vaz-De-Mello, Fernando Z. & Nunes, Rafael V.', 3],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=192)',
    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);