function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abbott, Charles C.', 1],
    ['Alvarez, J.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Girard, Charles Frédéric', 3],
    ['Gratzianov, V. J.', 2],
    ['Hubbs, Carl L. & Trautman, M. B.', 2],
    ['Laan, Richard Van Der', 29],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 3],
    ['Linnaeus, Carolus', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Miyazaki, Yusuke & Nakae, Masanori & Senou, Hiroshi', 2],
    ['Philippi, R. A.', 2],
    ['Renaud, Claude B. & Economidis, Panos S.', 2],
    ['Vladykov, V. D.', 3],
    ['Vladykov, V. D. & Kott, E.', 4],
    ['Other (24)', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=87)',
    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);