function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angarita-Sierra, Teddy & Lynch, John D.', 1],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 1],
    ['Fabricius, Johann Christian', 1],
    ['Martinez, Jose I. & Crane, Jonathan H. & Wasielewski, Jeff', 2],
    ['Mbata, Keith J. & Prins, Jurate De', 37],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 2],
    ['Queiroz-Santos, Luziany & Casagrande, Mirna Martins', 8],
    ['Restrepo, Adriana & Molina-Zuluaga, Claudia & Hurtado, Juan P.', 1],
    ['Turner, Alfred Jefferis', 1],
    ['Walker, Francis', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);