function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bogorodsky, Sergey V. & Alpermann, Tilman J. & Mal, Ahmad O.', 3],
    ['Carvalho-Filho, Alfredo & Marcovaldi, Guy', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Gruvel, A.', 1],
    ['Norman, J. R.', 3],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Poey, F. & Manday, D. Guitart', 1],
    ['Ramsay, E. P.', 1],
    ['Russell, Barry C', 1],
    ['Russell, Barry C.', 2],
    ['Russell, Barry C. & Golani, Daniel & Tikochinski, Yaron', 2],
    ['Sauvage, H. E.', 1],
    ['Shindo, S. & Yamada, U.', 3],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    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);