function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Conradi, Mercedes & Bandera, Eugenia & Mudrova, Sofya V.', 7],
    ['Conradi, Mercedes & Bandera, M Eugenia', 1],
    ['Humes, Arthur G. & Stock, Jan H.', 1],
    ['Itoh, Hiroshi & Kim, Il-Hoi', 1],
    ['Kim, Il-Hoi', 2],
    ['Korzhavina, Oksana A. & Hoeksema, Bert W.', 2],
    ['Kudoh, Fumitaka & Nagasawa, Kazuya', 1],
    ['Lee, Jimin & Chang, Cheon Young & Kim, Il-Hoi', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);