function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bamber, Roger N & Bird, Graham & Błażewicz-Paszkowycz, Magdalena', 3],
    ['Bamber, Roger N & Chatterjee, Tapas & Marshall, David J', 2],
    ['Bamber, Roger N.', 18],
    ['Bamber, Roger N. & Błażewicz-Paszkowycz, Magdalena', 2],
    ['Bochert, Ralf', 2],
    ['Błażewicz-Paszkowycz, Magdalena & Bamber, Roger N.', 4],
    ['Drumm, David T. & Bamber, Roger N.', 4],
    ['Drumm, David T. & Heard, Richard W.', 4],
    ['Esquete, P. & Cunha, M. R.', 6],
    ['Esquete, Patricia & Ramos, Eva & Riera, Rodrigo', 4],
    ['Gouillieux, Benoit & Labrune, Céline & Esquete, Patricia', 2],
    ['Jóżwiak, Piotr & Błażewicz-Paszkowycz, Magdalena', 6],
    ['Kakui, Keiichi & Hiruta, Chizue', 4],
    ['Santos, Kátia Christol Dos & Hansknecht, Tom', 4],
    ['Tzeng, You-Wei & Ma, Lin & Li, Xinzheng', 3],
    ['Other (10)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=81)',
    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);