function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barabanov, Andrei V. & Doronin, Igor V.', 1],
    ['Bauer, Aaron M. & Tchibozo, Sévérin & Pauwels, Olivier S. G.', 2],
    ['Conradie, Werner & Bittencourt-Silva, Gabriela B.', 4],
    ['Conradie, Werner & Branch, William R. & Watson, Gillian', 4],
    ['Kirchhof, Sebastian & Wasonga, Victor & Mazuch, Tomáš', 1],
    ['Malonza, Patrick K. & Bauer, Aaron M. & Granthon, Carolina', 1],
    ['Malonza, Patrick K. & Granthon, Carolina & Williams, Dean A.', 1],
    ['Marques, Mariana P. & Ceríaco, Luis M. P. & Buehler, Matthew D.', 6],
    ['Portik, Daniel M. & Travers, Scott L. & Bauer, Aaron M.', 1],
    ['Puente, Marta & Glaw, Frank & Vieites, David R. & Vences, Miguel', 5],
    ['Röll, Beate & Sanchez, Mickaël & Gippner, Sven & Bauer, Aaron M.', 3],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean-François', 2],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 3],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 3],
    ['Vences, Miguel & Multzsch, Malte & Gippner, Sven', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);