function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Austin, William C. & Ott, Bruce S. & Reiswig, Henry M.', 2],
    ['Bertolino, Marco & Cerrano, Carlo & Bavestrello, Giorgio', 1],
    ['Bettcher, Larissa & Fernandez, Julio C. C. & Gastaldi, Marianela', 2],
    ['Calcinai, Barbara & Belfiore, Giuseppe & Pica, Daniela', 1],
    ['Carballo, José Luis & Cruz-Barraza, José Antonio', 1],
    ['Friday, Sarah & Poppell, Ericka & Hill, Malcolm', 1],
    ['Ise, Yuji & Fujita, Toshihiko', 1],
    ['Marlow, Joseph & Bell, James J. & Shaffer, Megan & Haris, Abdul', 5],
    ['Pacheco, Cristian & Carballo, José Luis & Cortés, Jorge', 9],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 6],
    ['Samaai, Toufiek & Pillay, Ruwen & Janson, Liesl', 2],
    ['Schönberg, Christine Hanna Lydia & Grass, Stefanie', 4],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 4],
    ['Ugalde, Diana & Gómez, Patricia & Simões, Nuno', 2],
    ['Van Soest, Rob W. M.', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    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);