function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anistratenko, V. V. & Furyk, Yu. I. & Anistratenko, O. Yu.', 14],
    ['Appleton, C. C. & Miranda, N. A. F.', 2],
    ['Breure, Abraham S. H.', 2],
    ['Breure, Abraham S. H. & Ablett, Jonathan D.', 90],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 4],
    ['Frank, Christa', 12],
    ['Gloeer, Peter & Pesic, Vladimir', 16],
    ['Harzhauser, Mathias & Neubauer, Thomas A. & Mandic, Oleg', 4],
    ['Marinskiy, Vadim V.', 12],
    ['Marković, Vanja & Gojšina, Vukašin & Novaković, Boris', 17],
    ['Müller, Otto Friedrich', 4],
    ['Neubauer, Thomas A. & Harzhauser, Mathias & Kroh, Andreas', 8],
    ['Rogers, D. Christopher & Cruz-Rivera, Edwin', 4],
    ['Schultheiss, Roland & Ndeo, Oscar Wembo & Malikwisha, Meni', 4],
    ['Wesselingh, Frank & Poorten, Jan Johan ter & Kijashko, Pavel', 3],
    ['Other (20)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=218)',
    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);