function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhmerov, A. H.', 1],
    ['Ejsmont, L.', 1],
    ['Erickson, Duane G. & Wallace, Franklin G.', 1],
    ['Fischthal, Jacob H.', 1],
    ['Guidelli, G. M. & Isaac, A. & Pavanelli, G. C.', 1],
    ['Hoffman, G. L. & Fried, Bernard & Harvey, J. E.', 1],
    ['Hu, Cheng-Yen & Long, So & Lee, Wei-chu', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 1],
    ['Margarita Ostrowski de Núñez & Nathalia J. Arredondo', 1],
    ['Nolan, Matthew J. & Cribb, Thomas H.', 1],
    ['Odhner, T.', 1],
    ['Plehn, M.', 2],
    ['Schell, Stewart C.', 1],
    ['Wales, J. H.', 2],
    ['Wang, H. - Y.', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    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);