function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Belloc, G.', 1],
    ['Bertelsen, E. & Pietsch, Theodore W.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 7],
    ['Chapman, W. M.', 1],
    ['Gilchrist, J. D. F. & von Bonde, C.', 1],
    ['Grey, M.', 1],
    ['Grobecker, D. B.', 1],
    ['Ho, H. - C. & Shao, Kwang-Tsao', 1],
    ['Ho, Hsuan-Ching & Kawai, Toshio & Amaoka, Kunio', 4],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 5],
    ['M P, Rajeeshkumar & K M, Meera & M, Hashim', 1],
    ['Mincarone, Michael Maia & Afonso, Gabriel Vinícius Felix', 3],
    ['Orr, James W.', 1],
    ['Pietsch, Theodore W.', 4],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);