function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 3],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Fourmanoir, Pierre & Rivaton, I.', 1],
    ['Fujiwara, Kyoji & Wada, Hidetoshi & Motomura, Hiroyuki', 1],
    ['Gilbert, Charles H. & Cramer, F.', 1],
    ['Golani, Daniel', 2],
    ['Goode, G. B.', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Goren, Menachem & Galil, Bella S.', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 3],
    ['Hiyama, Y.', 1],
    ['Jordan, David Starr & Starks, E. C.', 1],
    ['Kamohara, T.', 2],
    ['Kotlyar, A. N. A. & Parin, Nik V.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    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);