function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade, Maria José Gomes De & Trovó, Marcelo & Rocha, Lamarck', 5],
    ['Echternacht, Livia & Trovó, Marcelo & Sano, Paulo Takeo', 2],
    ['Echternacht, Livia & Watanabe, Maurício Takashi Coutinho', 2],
    ['Giulietti, Ana Maria & Hensold, Nancy & Parra, Lara Regina', 2],
    ['Hensold, Nancy', 10],
    ['Howell, Nathan & Krings, Alexander & Braham, Richard R', 2],
    ['Ito, Yu & Barfod, Anders S.', 2],
    ['Jarvis, Charlie', 5],
    ['Linnaeus, Carolus', 4],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 3],
    ['Oliveira, Adriana & Bove, Claudia', 32],
    ['Parra, Lara Regina & Giulietti, Ana Maria', 2],
    ['Thornhill, Robert & Krings, Alexander & Lindbo, David', 8],
    ['Trovó, Marcelo & Echternacht, Lívia', 48],
    ['Trovó, Marcelo & Sano, Paulo Takeo', 15],
    ['Other (14)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=157)',
    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);