function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Kulakova, A. P. & Ky, Ha', 1],
    ['Liu, Sheng-fa', 1],
    ['Machida, Masaaki', 1],
    ['Nasir, P. & Gómez, Yajaira', 1],
    ['Park, James T.', 1],
    ['Rekharani, Z. & Madhavi, R.', 1],
    ['Shireman, Jerome V.', 1],
    ['Wang, Wei-Jun & Pan, Jin-Pei', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    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);