function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baker, Edmund Gilbert', 2],
    ['Blake, Joseph (Rev.)', 34],
    ['Coode, Mark James Elgar', 18],
    ['Gilli, Alexander', 2],
    ['Jarvis, Charlie', 2],
    ['Junnilainen, Jari & Karsholt, Ole & Nupponen, Kari', 5],
    ['Kanehira, Ryozo & Hatusima, Sumihiko', 6],
    ['Linnaeus, Carolus', 3],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 35],
    ['Sampaio, Daniela & Souza, Vinicius C.', 3],
    ['Schlechter, Fridrich Richard Rudolf', 48],
    ['Schmidt, Otto Christian', 4],
    ['Smith, Albert Charles', 9],
    ['Tirel, Christiane', 10],
    ['Weibel, Raymond', 13],
    ['Other (19)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=219)',
    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);