function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 18],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 7],
    ['Gunton, Laetitia M. & Kupriyanova, Elena & Alvestad, Tom', 3],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 7],
    ['Imajima, Minoru & Reuscher, Michael G. & Fiege, Dieter', 24],
    ['Krüger, Lotte & Dietrich, Anna & Bastrop, Ralf & Bick, Andreas', 6],
    ['McIntosh, William C.', 9],
    ['Mikac, Barbara', 9],
    ['Parapar, Julio & Helgason, Gudmundur V. & Jirkov, Igor', 5],
    ['Reuscher, Michael & Fiege, Dieter & Wehe, Thomas', 11],
    ['Reuscher, Michael G. & Fiege, Dieter', 10],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 14],
    ['Schiaparelli, Stefano & Jirkov, Igor A.', 5],
    ['Schüller, Myriam & Jirkov, Igor A.', 13],
    ['Wiklund, Helena & Rabone, Muriel & Glover, Adrian G', 13],
    ['Other (22)', 36]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=190)',
    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);