function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Angulo, Arturo & López-Sánchez, Myrna I.', 4],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Barnard, Keppel Harcourt', 1],
    ['Bonelli, Franco Andrea', 1],
    ['Brünnich, M. T.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 6],
    ['Golani, Daniel', 2],
    ['Laan, Richard Van Der', 3],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 7],
    ['Lipej, Lovrenc & Dulčić, Jakov', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 8],
    ['Martin, Jennifer M. & Hilton, Eric J.', 8],
    ['Risso, A.', 2],
    ['Underkoffler, Karen E. & Luers, Meagan A. & Hyde, John R.', 6],
    ['Other (21)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);