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],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Düben, M. W. von', 2],
    ['Golani, Daniel', 3],
    ['Ho, Hsuan-Ching & Lin, Chien-Hsiang', 2],
    ['Jordan, David Starr', 2],
    ['Le Danois, Y.', 2],
    ['Linnaeus, Carolus', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Peter R. Last & Daniel C. Gledhill & Bronwyn H. Holmes', 2],
    ['Radcliffe, L.', 2],
    ['Shaw, George & Nodder, Frederick Polydore', 4],
    ['Other (27)', 27]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    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);