function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aungtonya, Charatsee & Eibye-Jacobsen, Danny', 2],
    ['Barnich, Ruth & Haaren, Ton Van', 9],
    ['Cruz-Gómez, Christopher', 21],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 30],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 1],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 6],
    ['Kinberg, Johan Gustaf Hjalmar', 2],
    ['Martins, Roberto & Martín, Guillermo San & Rodrigues, Ana Maria', 4],
    ['Mikac, Barbara', 11],
    ['Miranda, Vinícius Da Rocha & Brasil, Ana Claudia Dos Santos', 2],
    ['Muir, Alexander I. & Bamber, Roger N.', 1],
    ['Pagliosa, Paulo Roberto & Doria, João Gabriel', 2],
    ['Pettibone, M. H.', 6],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 10],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=113)',
    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);