function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 13],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Barton, O.', 1],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 1],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 11],
    ['Forsskål, Peter', 1],
    ['Fowler, Henry Weed & Bean, Barton A.', 1],
    ['Gawel, M. & Woodland, David J.', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 2],
    ['Griffith, E. & Smith, C. H.', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 2],
    ['Ogilby, J. D.', 1],
    ['Paradice, W. E. J. & Whitley, Gilbert P.', 1],
    ['Randall, John Ernest Dr. & Kulbicki, Michel', 1],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=46)',
    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);