function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 18],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 8],
    ['Dean, W. Richard J. & Åhlander, Erik & Johansson, Ulf S.', 3],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 2],
    ['Forster, Johann Reinhold', 2],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 1],
    ['Hablizl, Karl', 1],
    ['Kumar Arya, Sumit & Gopi, Govindan Veeraswami', 1],
    ['Linnaeus, Carolus', 38],
    ['Mlíkovský, Jiří', 1],
    ['Pallas, Peter Simon', 2],
    ['Salvador, Rodrigo B. & Jeugd, Henk Van Der', 2],
    ['Shaw, George', 1],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 1],
    ['Swainson, William', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    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);