function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Chen, J. - P. & Shao, Kwang-Tsao', 1],
    ['Delventhal, Naomi R. & Mooi, Randall D.', 2],
    ['Delventhal, Naomi R. & Mooi, Randall D. & Bogorodsky, Sergey V.', 7],
    ['Fujiwara, Kyoji & Suzuki, Toshiyuki & Motomura, Hiroyuki', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Goren, Menachem', 1],
    ['Goren, Menachem & Miroz, Aaron & Baranes, Albert', 1],
    ['Herre, Albert W. C. T.', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Jacob, J. & Rangarajan, K.', 1],
    ['Koumans, F. P.', 2],
    ['McKinney, J. F. & Lachner, Ernest A.', 3],
    ['Menon, A. G. K. & Chatterjee, T. K.', 2],
    ['Rangarajan, K.', 1],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    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);