function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camile Sorbo Fernandes & Ivanklin Soares Campos-Filho', 9],
    ['Campos-Filho, Ivanklin Soares & Araujo, Paula Beatriz', 9],
    ['Campos-Filho, Ivanklin Soares & Fernandes, Camile Sorbo', 19],
    ['Campos-Filho, Ivanklin Soares & López-Orozco, Carlos Mario', 5],
    ['Campos-Filho, Ivanklin Soares & Sfenthourakis, Spyros', 5],
    ['Cardoso, Giovanna Monticelli & Ferreira, Rodrigo Lopes', 6],
    ['Cifuentes, Julio & DA SILVA, Luis P.', 4],
    ['Costa, Silvana Leal Nunes & Campos-Filho, Ivanklin Soares', 6],
    ['Grangeiro, Daniela C. & Souza, Leila A.', 4],
    ['Grangeiro, Daniela Correia & Souza, Leila Aparecida', 4],
    ['Leistikow, Andreas', 7],
    ['Lopes, Paula Beatriz Araujo Elis Regina C.', 6],
    ['Ocampo-Maceda, Ana Teresa & Ruelas-Cabana, Carlos Miguel', 17],
    ['Taiti, Stefano & Checcucci, Ilaria', 9],
    ['Zimmermann, Bianca Laís & Campos-Filho, I. S. & Deprá, Maríndia', 4],
    ['Other (27)', 45]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=159)',
    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);