function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bandyopadhyay, Subir', 2],
    ['Bandyopadhyay, Subir & Pathak, Mithilesh Kumar', 1],
    ['Blanco, Francisco Manuel', 1],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 5],
    ['Castellanos, Cesar & Vargas, Frank', 1],
    ['Chatan, Wannachai', 1],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 2],
    ['Dos Santos, Antonio C. B. & De Queiroz, Luciano P.', 2],
    ['Idrees, Muhammad & Li, Meng & Zhang, Zhiyong', 2],
    ['Jarvis, Charlie', 8],
    ['Lin, Yun & Bi, Hai-Yan & Sun, Jun & Sun, Qian', 2],
    ['Linnaeus, Carolus', 8],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 2],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 2],
    ['Rauber, Cristiane Ritter & Lima, Laura Cristina Pires', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);