function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amini, Sudabe & Nozari, Jamasb & Martinez, Isabel', 1],
    ['Barnouin, Thomas & Soldati, Fabien & Roques, Alain', 1],
    ['Beaver, R. A. & Liu, L. Y.', 3],
    ['Beaver, Roger A. & Ghahari, Hassan & Sanguansub, Sunisa', 1],
    ['Beaver, Roger A. & Smith, Sarah M.', 1],
    ['Bright, Donald E.', 3],
    ['Erichson, Wilhelm Ferdinand', 1],
    ['Ferrari, J. A. G.', 1],
    ['Johnson, Andrew J. & Honsberger, David & Beaver, Roger A.', 8],
    ['Johnson, Andrew J. & Hulcr, Jiri & Knížek, Miloš', 6],
    ['Johnson, Andrew J. & Knížek, Miloš & Atkinson, Thomas H.', 2],
    ['Johnson, Andrew J. & Li, You & Mandelshtam, Michail Yu.', 15],
    ['Justesen, Mathias Just & Hansen, Aslak Kappel & Knizek, Milos', 5],
    ['Mandelshtam, Mikhail Yu. & Sergeev, Maksim E.', 3],
    ['Rabaglia, Robert J. & Beaver, Roger A. & Johnson, Andrew J.', 13],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    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);