function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 2],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 1],
    ['Chabanaud, P.', 3],
    ['Day, F.', 1],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 1],
    ['Fowler, Henry Weed', 2],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 5],
    ['Luo, Hai-Rong & Kong, Xiao-Yu & Munroe, Thomas A.', 2],
    ['Norman, J. R.', 4],
    ['Shen, Shih-Chieh', 2],
    ['Steindachner, F.', 2],
    ['Weber, M.', 2],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 5],
    ['Other (12)', 12]
  ]);
  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);