function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['EVENHUIS, NEAL L. & PONT, ADRIAN C.', 1],
    ['Gillung, Jéssica Paula & Carvalho, Claudio José Barros De', 1],
    ['González, Christian R. & Elgueta, Mario & Ramirez, Francisco', 1],
    ['Jarvis, Charlie', 1],
    ['Price, Michelle J.', 2],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 4],
    ['Westwood, John Obadiah', 4],
    ['Wiedemann, Christian Rudolph Wilhelm', 1],
    ['Wong, Sin Yeng & Joling, Jyloerica', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);