function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 1],
    ['Almeida, Alexandre O. & Boehs, Guisla', 1],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 1],
    ['Alves, Douglas Fernandes Rodrigues & Lima, Daniel José Marcondes', 2],
    ['Ashrafi, Hossein & Baeza, J. Antonio & Ďuriš, Zdeněk', 3],
    ['Ashrafi, Hossein & Dehghani, Amir & Sari, Alireza', 1],
    ['Baeza, Antonio & Bolaños, Juan A. & Hernandez, Jesús E.', 1],
    ['Guéron, Rodrigo & Almeida, Alexandre Oliveira & Aguilar, Robert', 6],
    ['Jose, Sheena & Purushothaman, P. & Madhavan, Manu & Akash, S.', 2],
    ['Mendonça, Luana M. C. & Guimarães, Carmen R. P.', 2],
    ['Pachelle, Paulo P. G. & Anker, Arthur & Mendes, Cecili B.', 3],
    ['Pachelle, Paulo P. G. & Carvalho, Leina & Alves, Douglas F. R.', 11],
    ['Santos, Andréa & Alves, Douglas Fernandes Rodrigues', 3],
    ['Terossi, Mariana & Almeida, Alexandre O. & Buranelli, Raquel C.', 5],
    ['Xu, Peng & Li, Xin-Zheng', 2],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);