function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Darragh, Thomas A.', 12],
    ['Dolin, L', 12],
    ['Groves, Lindsey & Squires, Richard L.', 19],
    ['Linnaeus, Carolus', 43],
    ['Lorenz, Felix', 4],
    ['Lorenz, Felix & Chiapponi, Marco', 2],
    ['Lorenz, Felix & Groh, Klaus', 5],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 2],
    ['Meyer, Christopher P. & Lorenz, Felix', 8],
    ['Moretzsohn, Fabio', 2],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 2],
    ['Simone, Luiz Ricardo L. & Cunha, Carlo M.', 2],
    ['Southgate, Paul C. & Militz, Thane A.', 2],
    ['Southgate, Paul C. & Roberts, Mike', 2],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 3],
    ['Other (18)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=139)',
    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);