function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 1],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 1],
    ['Crosnier, Alain', 6],
    ['Fernandez-Leborans, Gregorio', 1],
    ['García-Raso, J. Enrique & D\'Udekem D\'Acoz, Cédric', 6],
    ['González, José A.', 1],
    ['Guerao, Guillermo & Abelló, Pere', 1],
    ['Guerao, Guillermo & Abelló, Pere & Santos, Antonina Dos', 1],
    ['Guzmán, Walter & Bermúdez, Hermann D.', 2],
    ['Günther, Albert C. L. G.', 4],
    ['Günther, Albert Charles Lewis Gotthilf', 2],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 2],
    ['Ossó, Àlex & Gagnaison, Cyril', 2],
    ['Ossó, Àlex & Gagnaison, Cyril & Gain, Olivier', 2],
    ['Schweitzer, Carrie E. & Feldmann, Rodney M.', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    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);