function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Batista, João A. N. & Cruz-Lustre, Gabriela & do Vale, Aline A.', 5],
    ['Batista, João A. N. & Ferreira, Vera L. & Alves, Camila I. G.', 2],
    ['Batista, João A. N. & Ramalho, Bruno M. Carvalho Aline J.', 3],
    ['Bytebier, Benny & Wightman, Nicholas', 2],
    ['Howell, Nathan & Krings, Alexander & Braham, Richard R', 2],
    ['Jarvis, Charlie', 2],
    ['Kranzlin, F.', 2],
    ['Oliveira, Adriana & Bove, Claudia', 6],
    ['Ormerod, Paul & Kurzweil, Hubert & Watthana, Santi', 31],
    ['Pandey, Tirtha Raj & Jin, Xiao-Hua', 11],
    ['Renz, Jany', 4],
    ['Ridley, Henry Nicholas', 2],
    ['Schlechter, Fridrich Richard Rudolf', 4],
    ['Vega, Hermes & Cetzal-Ix, William & Mó, Edgar', 19],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 7],
    ['Other (4)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=107)',
    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);