function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Antonio De Padua & Angulo, Ariadne', 1],
    ['Angulo, Ariadne & Reichle, Steffen', 2],
    ['Barrio-Amorós, César L. & Brewer-Carías, Charles', 3],
    ['Berneck, Bianca Von Müller & Costa, Carolina Ortiz Rocha Da', 1],
    ['Borteiro, Claudio & Kolenc, Francisco', 1],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 1],
    ['Caramaschi, Ulisses & Feio, Renato N. & São-Pedro, Vinícius A.', 1],
    ['Carvalho, Thiago Ribeiro De & Leite, Felife Sá Fortes', 1],
    ['Da Silva, Leandro A. & Magalhães, Felipe M. & Thomassen, Hans', 3],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 7],
    ['Giaretta, Ariovaldo A. & Costa, Hugo C. M.', 2],
    ['Llanqui, Irbin B. & Y. Salas, Cinthya & Oblitas, Melissa P.', 2],
    ['Ovalle-Pacheco, Andrés & Camacho-Rozo, Claudia & Arroyo, Sandy', 3],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 8],
    ['Valchi, Paula & Ponssa, María Laura & Farías, Alejandro', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    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);