function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 4],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 8],
    ['Boles, Walter E.', 3],
    ['Cremonte, Florencia & Drago, Fabiana B.', 1],
    ['DYKE, GARETH J.', 1],
    ['Dyke, Gareth J. & Walker, Cyril A.', 2],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 2],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 1],
    ['Ilieva, Mihaela', 1],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 1],
    ['Linnaeus, Carolus', 4],
    ['Meijer, Hanneke J. M. & Due, Rokus Awe', 1],
    ['Suárez, William', 3],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Worthy, Trevor H. & Tennyson, Alan J. D. & Archer, Michael', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);