function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bousquet, Yves', 139],
    ['Fabricius, Johann Christian', 5],
    ['Fukuda, Yuki & Ogawa, Ryo & Hori, Michio', 11],
    ['Ghahari, H. & Havaskary, M. & Tabari, M. & Ostovan, H.', 4],
    ['Hristovski, Slavčo & Guéorguiev, Borislav', 7],
    ['Jumean, Z. & Oldham, M. J. & Fleming, K. J. & Duran, D. P.', 10],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 5],
    ['Kostova, Rumyana & Gueorguiev, Borislav', 4],
    ['Linnaeus, Carolus', 8],
    ['Mandl, Karl', 11],
    ['Mawdsley, Jonathan R.', 8],
    ['Merene, Yeshitla & Lorenz, Wolfgang & Opgenoorth, Lars', 36],
    ['Pérez-Hernández, Cisteil Xinum', 18],
    ['Wiesner, Jürgen & Bandinelli, Aligi & Matalin, Andrey', 5],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 4],
    ['Other (19)', 32]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=307)',
    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);