function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Becking, Leontine E.', 6],
    ['Bertolino, Marco & Cerrano, Carlo & Bavestrello, Giorgio', 1],
    ['Bettcher, Larissa & Fernandez, Julio C. C. & Gastaldi, Marianela', 3],
    ['Carballo, José Luis & Cruz-Barraza, José Antonio', 5],
    ['David-Colón, Jesús & Zea, Sven & Marín-Casas, Dairo', 5],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 1],
    ['Fassbender, Nico & Stefanoudis, Paris V', 2],
    ['Friday, Sarah & Poppell, Ericka & Hill, Malcolm', 1],
    ['Mácola, Rosa & Menegola, Carla', 4],
    ['Rützler, Klaus & Hooper, John N. A.', 4],
    ['Sandes, Joana & Moraes, Fernando & Muricy, Guilherme', 6],
    ['Topsent, Émile', 4],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 10],
    ['Van Soest, Rob W. M.', 5],
    ['Wisshak, Max', 7],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    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);