function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 2],
    ['Dehling, Maximilian', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 1],
    ['Grismer, L. Lee & Neang, Thy & Chav, Thou & Wood, Perry L. & Jr', 1],
    ['Matsui, Masafumi', 1],
    ['Matsui, Masafumi & Eto, Koshiro & Belabut, Daicus M.', 1],
    ['Matsui, Masafumi & Nishikawa, Kanto & Belabut, Daicus M.', 1],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 1],
    ['Onn, Chan Kin & Grismer, Lee & Grismer, Jesse', 1],
    ['Tschudi, Johann Jakob von', 1],
    ['Vassilieva, Anna B. & Galoyan, Eduard A. & Gogoleva, Svetlana S.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);