function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azevedo, C. O. & Tavares, M. T.', 3],
    ['Brazidec, Manuel & Vilhelmsen, Lars & Boudinot, Brendon E.', 19],
    ['Chen, Hua-yan & Liuhe, Bo-jing & Zhang, Xiao', 4],
    ['Fuente, Ricardo Pérez-De La & Perrichot, Vincent', 1],
    ['Kawada, Ricardo & Barbosa, Diego N. & Azevedo, Celso O.', 3],
    ['Madl, Michael', 5],
    ['Mita, Toshiharu & Shaw, Scott R.', 4],
    ['Mita, Toshiharu & Shaw, Scott Richard', 6],
    ['Poinar, George, Jr. & Shaw, Scott R.', 1],
    ['Shaw, Scott Richard', 1],
    ['Shaw, Scott Richard & Noort, Simon Van', 1],
    ['van Noort, Simon & Shaw, Scott Richard & Copeland, Robert S.', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=68)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);