function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baehr, Barbara C. & Whyte, Robert', 2],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 3],
    ['Choudhury, Sudhir Ranjan & Siliwal, Manju & Das, Sanjay Keshari', 6],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 3],
    ['Dean, David Allen', 1],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 6],
    ['Fomichev, Alexander A. & Marusik, Yuri M.', 8],
    ['Giroti, Andre Marsola & Brescovit, Antonio Domingos', 3],
    ['Giroti, André Marsola & Brescovit, Antonio Domingos', 42],
    ['Giroti, André Marsola & Cotoras, Darko D. & Lazo, Pedro', 1],
    ['Marsh, Jessica R. & Baehr, Barbara C. & Glatz, Richard V.', 3],
    ['Marsh, Jessica R. & Hudson, Peter & Framenau, Volker W.', 2],
    ['Marsh, Jessica R. & Stevens, Mark I. & Framenau, Volker W.', 14],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 3],
    ['Siliwal, Manju & Yadav, Archana & Kumar, Dolly', 3],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=109)',
    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);