function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 8],
    ['Garcia-Garza, Maria Elena & Leon-Gonzalez, Jesus Angel De', 2],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 2],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 1],
    ['Magalhães, Wagner F. & Bailey-Brock, Julie H.', 6],
    ['Magalhäes, Wagner F. & Hilliard, Justin', 3],
    ['Mikac, Barbara', 1],
    ['Pamungkas, Joko', 1],
    ['Ribas, Julia & Hutchings, Pat', 1],
    ['Ribeiro, Rannyele Passos & Alves, Paulo Ricardo', 1],
    ['Silva, Camila Fernanda & Seixas, Victor C. & Barroso, Romulo', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);