function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bamber, Roger N.', 1],
    ['Bird, Graham J.', 7],
    ['Blażewicz-Paszkowycz, Magdalena & Larsen, Kim', 8],
    ['Błażewicz-Paszkowycz, Magdalena & Bamber, Roger N', 1],
    ['Drumm, David T. & Bird, Graham J.', 4],
    ['Esquete, Patricia & Cunha, Marina R.', 4],
    ['Larsen, Kim', 3],
    ['Larsen, Kim & Błażewicz-Paszkowycz, Magdalena & Cunha, Marina R.', 1],
    ['Morales-Nunez, Andres G. & Larsen, Kim & Cooke, William J.', 2],
    ['Segadilha, Juliana L. & Dos Santos, Kátia C.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);