function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 4],
    ['Bleeker, Pieter', 1],
    ['Carvalho-Filho, Alfredo & Marcovaldi, Guy', 1],
    ['Fowler, Henry Weed', 1],
    ['Fricke, Ronald & Allen, Gerald R. & Andréfouët, Serge', 1],
    ['Gilchrist, J. D. F.', 1],
    ['Golani, Daniel & Fricke, Ronald', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Okamoto, Makoto', 2],
    ['Schultz, Leonard P.', 2],
    ['Schwarzhans, Werner W. & Mincarone, Michael M.', 2],
    ['Schwarzhans, Werner W. & Prokofiev, Artem M.', 21],
    ['Van Hinsbergh, Victor W. M. & Helwerda, Renate A.', 2],
    ['Yamanoue, Y. & Matsuura, Keiichi', 2],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=60)',
    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);