function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arroyo, Yessenia & Hajdu, Eduardo & Willenz, Philippe', 2],
    ['Boury-Esnault, Nicole & Marschal, Christian', 2],
    ['Calcinai, Barbara & Belfiore, Giuseppe & Pica, Daniela', 2],
    ['Carballo, José Luis & Cruz-Barraza, José Antonio', 2],
    ['Carvalho, Mariana De S. & Carraro, João L. & Lerner, Cléa', 2],
    ['Cóndor-Luján, Báslavi & Arteaga, Alvaro & Polo, Christian', 8],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 2],
    ['Gerasimova, Elena & Erpenbeck, Dirk & Plotkin, Alexander', 5],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 4],
    ['Santos, George Garcia & Nascimento, Elielton & Pinheiro, Ulisses', 3],
    ['Topsent, Émile', 5],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 3],
    ['Ugalde, Diana & Gómez, Patricia & Simões, Nuno', 3],
    ['Van Soest, Rob W. M.', 5],
    ['Van, Rob W. M.', 5],
    ['Other (15)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);