function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['De Moraes, Gilberto J. & Zannou, Ignace D.', 2],
    ['Fang, Xiao-Duan & Li, Jun & Wu, Wei-Nan', 4],
    ['Karmakar, Krishna & Bhowmik, Sagarika', 3],
    ['Kreiter, Serge & Abo-Shnaf, Reham I. A.', 2],
    ['Kreiter, Serge & Bopp, Marie-Charlotte & Douin, Martial', 3],
    ['Kreiter, Serge & Ferragut, Francisco', 3],
    ['Kreiter, Serge & Fontaine, Olivier & Payet, Rose-My', 2],
    ['Kreiter, Serge & Payet, Rose-My & Douin, Martial', 2],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 2],
    ['Moraes, Gilberto José De & Barbosa, Marina Ferraz De Camargo', 2],
    ['Oliveira, Daniel C. & Charanasri, Vatana & Kongchuensin, Manita', 5]
  ]);
  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);