function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andreone, F. & Glaw, F. & Nussbaum, R. A. & Raxworthy, C. J.', 4],
    ['Branch, William R. & Baptista, Ninda & Keates, Chad', 2],
    ['Chen, Minli & Liu, Jinlong & Cai, Bo & Li, Jun & Wu, Na', 2],
    ['Chirio, Laurent & Ineich, Inech & Schmitz, Andreas', 2],
    ['Conradie, Werner & Bittencourt-Silva, Gabriela B.', 5],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 2],
    ['Hoser, Raymond', 2],
    ['Hutter, Carl Richard & Andriampenomanana, Zo F.', 8],
    ['Ineich, Ivan', 12],
    ['Raw, Lynn Roy Graham', 2],
    ['Santos, Bruna S. & Marques, Mariana P. & Bauer, Aaron M.', 7],
    ['Sara Ruane & Frank T. Burbrink & Bernard Randriamahatantsoa', 4],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean François', 30],
    ['Smith, A.', 3],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 16],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=115)',
    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);