function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bravo-Hollis, Margarita & Manter, Harold W.', 1],
    ['Bray, Rodney A. & Justine, Jean-Lou', 1],
    ['Caballero y C., Eduardo & Caballero R., G.', 1],
    ['Gavrilyuk-Tkachuk, L. P.', 1],
    ['Hafeezullah, M.', 1],
    ['Harshey, K. R.', 3],
    ['Layman, E. M.', 1],
    ['Manter, Harold W.', 4],
    ['Overstreet, Robin M.', 1],
    ['Ozaki, Yoshimasa', 3],
    ['Pande, В. P.', 1],
    ['Shen, J. - w.', 1],
    ['Srivastava, C. B.', 1],
    ['Wang, P. - q.', 1],
    ['Yamaguti, S.', 17],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    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);