function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 2],
    ['Appadoo, Chandani & Myers, Alan A. & Fagoonee, Indur', 4],
    ['Ariyama, Hiroyuki', 6],
    ['Ariyama, Hiroyuki & Kodama, Masafumi & Tomikawa, Ko', 5],
    ['Bate, Charles Spence', 1],
    ['García-Madrigal, María Del Socorro', 1],
    ['Graening, G. O. & Rogers, D. Christopher & Holsinger, John R.', 1],
    ['Kim, Won & Kim, Chang Bae', 1],
    ['Krapp-Schickel, Traudl & Vader, Wim', 2],
    ['Leach, William Elford', 1],
    ['Lo Brutto, Sabrina & Iaciofano, Davide', 1],
    ['Myers, Alan A. & Nithyanandan, Manickam', 1],
    ['Rousou, Maria & Plaiti, Wanda & Lowry, Jim', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);