function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Animalesto, Gloria & Dewi, Kartika & Apriyanti, Yuni', 2],
    ['Bray, Rodney A & Palm, Harry W', 2],
    ['Chandler, Asa C.', 2],
    ['Chauhan, B. S.', 2],
    ['Derbel, Hela & Châari, Manel & Neifar, Lassad', 3],
    ['Fischthal, Jacob H. & Thomas, J. D.', 2],
    ['Hopkins, Sewell H.', 2],
    ['Kohn, Anna & Fernandes, Berenice M. M.', 3],
    ['Ku, Chang-tung & Shen, J. - w.', 2],
    ['Manter, Harold W.', 5],
    ['Nagaty, H. F.', 2],
    ['Reimer, Lothar W.', 3],
    ['Velasquez, Carmen C.', 2],
    ['Wang, P. - q.', 3],
    ['Yamaguti, S.', 2],
    ['Other (29)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    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);