function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bilqees, Fatima Mujib & Khatoon, Shahina', 1],
    ['Blend, Charles K. & Dronen, Norman O. & Armstrong, Howard W.', 7],
    ['Bray, Rodney A. & Campbell, Ronald A.', 2],
    ['Caballero y C., Eduardo & Caballero R., G.', 2],
    ['Fischthal, Jacob H.', 2],
    ['Issaitschikow, I. M.', 2],
    ['Manter, Harold W.', 6],
    ['Martin, Storm B. & Cutmore, Scott C. & Ward, Selina', 2],
    ['Nagaty, H. F.', 2],
    ['Nagaty, H. F. & Abdel Aal, Tahia M.', 2],
    ['Nicoll, W.', 2],
    ['Paperna, Ilan', 2],
    ['Park, James T.', 8],
    ['Shen, J. - w. & Qiu, Zhaozhi', 2],
    ['Yamaguti, S.', 5],
    ['Other (19)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    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);