function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barnich, R. & Fiege, D.', 30],
    ['Barnich, Ruth & Fiege, Dieter', 39],
    ['Bock, Gordon & Fiege, Dieter & Barnich, Ruth', 11],
    ['Bonifácio, Paulo & Menot, Lénaïck', 38],
    ['De Assis, Jose Eriberto & de Brito, Rafael Justino', 19],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 58],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 18],
    ['Hanley, J. Russell & Burke, Melanie', 8],
    ['Mikac, Barbara', 9],
    ['Neal, Lenka & Brasier, Madeleine J. & Wiklund, Helena', 8],
    ['Neal, Lenka & Paterson, Gordon L. J. & Blockley, David', 8],
    ['Ribas, Julia & Hutchings, Pat', 8],
    ['Salazar-Silva, Patricia', 21],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 29],
    ['Wiklund, Helena & Rabone, Muriel & Glover, Adrian G', 42],
    ['Other (35)', 109]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=455)',
    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);