function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Breuil, Michel & Schikorski, David & Vuillaume, Barbara', 1],
    ['Breuil, Michel & Vuillaume, Barbara & Schikorski, David', 2],
    ['Brongniart, Alexandre', 1],
    ['Crochet, Pierre-Andre & Lymberakis, Petros & Werner, Yehudah L.', 1],
    ['Cuadrado, Stefania S. & Loor, Yelsin A. & Narváez, Andrea E.', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 1],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 1],
    ['Laurenti, Joseph Nicolas', 3],
    ['Ribeiro-Júnior, Marco A.', 1],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);