function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amon, Diva J & Ziegler, Amanda F & Drazen, Jeffrey C', 3],
    ['Appadoo, Chandani & Myers, Alan A. & Fagoonee, Indur', 1],
    ['Brown, Brian V.', 1],
    ['Coppejans, Eric & Leliaert, Frederik & Verbruggen, Heroen', 8],
    ['Fassbender, Nico & Stefanoudis, Paris V', 1],
    ['Heesch, Svenja & Sutherland, Judy E. & Ringham, Sandi', 1],
    ['Hughey, Jeffery R. & Gabrielson, Paul W.', 1],
    ['Jarvis, Charlie', 5],
    ['Kratochvíl, J.', 1],
    ['Mead, A. & Carlton, J. T. & Griffiths, C. L. & Rius, M.', 1],
    ['Santos, Alana Araujo Dos & Moura, Carlos Wallace Do Nascimento', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);