function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Desidério, Gleison Robson & Barcelos-Silva, Patrik', 3],
    ['Desidério, Gleison Robson & Pes, Ana Maria', 4],
    ['Dias, Everton S. & Quinteiro, Fabio B. & Calor, Adolfo R.', 1],
    ['Malicky, H.', 1],
    ['Malm, Tobias & Johanson, Kjell Arne', 17],
    ['Mey, Wolfram & Malicky, Hans', 1],
    ['Mey, Wolfram & Ospina-Torres, Rodulfo', 1],
    ['Moreno, Lucas A. S. & Desidério, Gleison Robson', 1],
    ['Moura, Laisse & Quinteiro, Fábio B.', 1],
    ['Neto, Pedro Bonfá & Vilarino, Albane & Salles, Frederico F.', 2],
    ['Paprocki, Henrique & Franca, Diogo', 14],
    ['Sganga, Julieta V. & Angrisano, Elisa B. & Asaroff, Pablo E.', 3],
    ['Wells, Alice', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);