function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Basilewsky, S.', 1],
    ['Blache, J.', 1],
    ['Blegvad, H.', 1],
    ['Castle, Peter H. J.', 3],
    ['D\'Ancona, U.', 10],
    ['Eigenmann, C. H. & Kennedy, C. H.', 7],
    ['Facciolà, L.', 20],
    ['Fowler, Henry Weed', 2],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 6],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 4],
    ['Jordan, David Starr & Snyder, John Otterbein', 4],
    ['Lea, E.', 5],
    ['Schmidt, E. J.', 5],
    ['Tommasi, L. R.', 3],
    ['Weber, M.', 2],
    ['Other (18)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);