function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Grabovskaya-Borodina, Alisa E. & Illarionova, Irina D.', 5],
    ['Henning, Tilo & Acuna-Castillo, Rafael & Cornejo, Xavier', 7],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 6],
    ['Hirota, Shun K. & Yahara, Tetsukazu & Fuse, Kengo', 5],
    ['Howell, Nathan & Krings, Alexander & Braham, Richard R', 6],
    ['Info Flora', 12],
    ['Jarvis, Charlie', 8],
    ['Konrad Lauber & Gerhart Wagner & Andreas Gygax', 5],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 16],
    ['Linnaeus, Carolus', 5],
    ['Manchester, Steven R. & Collinson, Margaret E.', 8],
    ['Martin, Claudia M. & Zanotti, Christian A.', 3],
    ['Miller, Justin C. & Hollatz, Allison J. & Schuler, Mary A.', 3],
    ['Reveal, James L. & Chase, Mark W. & Iii, - Apg & Iii, Apg', 7],
    ['Thornhill, Robert & Krings, Alexander & Lindbo, David', 6],
    ['Other (32)', 48]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=150)',
    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);