function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Bean, T. H.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Cervigón, Fernando', 1],
    ['Fricke, Ronald & Allen, Gerald R. & Andréfouët, Serge', 1],
    ['Gilchrist, J. D. F.', 2],
    ['Gill, T. N.', 1],
    ['Ingvar Byrkjedal & Alexei M. Orlov', 2],
    ['Jackson, K. L. & Nelson, Joseph S.', 1],
    ['Keith L Jackson', 3],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 8],
    ['Mori, T.', 2],
    ['Nelson, Joseph S.', 3],
    ['Nojima, S.', 2],
    ['Sakamoto, K.', 2],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    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);