function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ancona López, A. A.', 2],
    ['Anderson, M. Eric & Satria, Fayakun', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 5],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['Fowler, Henry Weed', 1],
    ['Fowler, Henry Weed & Steinitz, H.', 1],
    ['Golani, Daniel', 3],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['M. Eric Anderson', 2],
    ['Markle, Douglas F. & Olney, John E.', 2],
    ['Mincarone, Michael M. & Nielsen, Jørgen G. & Costa, Paulo A. S.', 4],
    ['Reid, E. D.', 2],
    ['Smith, J. L. B.', 4],
    ['Whitley, Gilbert P.', 2],
    ['Other (24)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);