function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Guiart, J.', 1],
    ['Ishii, N.', 1],
    ['Ku, Chang-tung & Shen, J. - w.', 1],
    ['Lester, R. J. G.', 1],
    ['MacCallum, G. A. & MacCallum, W. G.', 1],
    ['McClelland, W. F. J.', 1],
    ['McIntosh, A. & Self, J. Teague', 1],
    ['Moniez, R.', 1],
    ['Mordvinova, T. N.', 1],
    ['Murugesh, Meenakshi & Krishna Sai Ram, B. & Madhavi, R.', 1],
    ['Parukhin, A M', 1],
    ['Van Beneden, Pierre-Joseph', 1],
    ['Yamaguti, S.', 4],
    ['Yang, Fu-hsi', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);