function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Barbour, Thomas', 1],
    ['Bleeker, Pieter', 7],
    ['Borodin, N. A.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Fowler, Henry Weed', 5],
    ['Friese, U. E.', 1],
    ['Garman, S.', 2],
    ['Gilbert, Charles H.', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 3],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Jordan, David Starr', 3],
    ['Peter Wirtz & Carlos Eduardo L. Ferreira & Sergio R. Floeter', 2],
    ['Schultz, Leonard P.', 2],
    ['Smith-Vaniz, William F. & Jelks, Howard L.', 3],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);