function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 2],
    ['Kamei, Rachunliu G. & Wilkinson, Mark & Gower, David J.', 3],
    ['Maddin, Hillary C. & Russell, Anthony P. & Anderson, Jason S.', 1],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 2],
    ['Mulcahy, Daniel G. & Lee, Justin L. & Miller, Aryeh H.', 1],
    ['Nishikawa, Kanto & Matsui, Masafumi & Orlov, Nikolai L.', 1],
    ['Nishikawa, Kanto & Matsui, Masafumi & Sudin, Ahmad & Wong, Anna', 1],
    ['Nishikawa, Kanto & Matsui, Masafumi & Yambun, Paul', 1],
    ['Teynié, Alexandre & David, Patrick & Ohler, Annemarie', 1],
    ['Wilkinson, Mark & Mauro, Diego San & Sherratt, Emma', 3],
    ['Wilkinson, Mark & Presswell, Bronwen & Sherratt, Emma', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);