function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baker, Edmund Gilbert', 1],
    ['Blake, Joseph (Rev.)', 23],
    ['Blume, Carl Ludwig von', 1],
    ['Brambach, Fabian & Coode, Mark & Biagioni, Siria', 1],
    ['Coode, Mark James Elgar', 12],
    ['Coode, Mark James Elgar & Weibel, Raymond', 1],
    ['Gilli, Alexander', 2],
    ['Kanehira, Ryozo & Hatusima, Sumihiko', 4],
    ['Lin, Yun & Bi, Hai-Yan & Sun, Jun & Sun, Qian', 2],
    ['Schlechter, Fridrich Richard Rudolf', 40],
    ['Schmidt, Otto Christian', 2],
    ['Silva, Nilanka & Yakandawala, Deepthi & Yakandawala, Kapila', 2],
    ['Tirel, Christiane', 4],
    ['Warburg, Otto', 2],
    ['Weibel, Raymond', 13],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    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);