function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Aguirre, Yusseff & Ríos González, Tomás A.', 2],
    ['Armitage, Brian J. & Blahnik, Roger J. & Harris, Steven C.', 2],
    ['Armitage, Brian J. & Harris, Steven C. & Holzenthal, Ralph W.', 1],
    ['Bueno-Soria, Joaquin & Vilarino, Albane & Barba-Alvarez, Rafael', 4],
    ['Mey, Wolfram & Ospina-Torres, Rodulfo', 1],
    ['Paprocki, Henrique & Franca, Diogo', 10],
    ['Pes, Ana Maria & Hamada, Neusa & Nessimian, Jorge Luiz', 1],
    ['Razo-González, María', 1],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 8],
    ['Vilarino, Albane & Bispo, Pitágoras C.', 6],
    ['Vilarino, Albane & Calor, Adolfo R.', 3],
    ['Vilarino, Albane & Cavalcante, Bruna Maria Silva', 4],
    ['Vilarino, Albane & Salles, Frederico F. & Bispo, Pitágoras C.', 4],
    ['Wichard, Wilfried & Solórzano, Mónica M. & Kraemer & Luer, Claus', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);