function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antoniadou, Chryssanthi & Gerovasileiou, Vasilis', 2],
    ['Herdman, William Abbott', 1],
    ['Hirose, Euichi & Iskandar, Budhi Hascaryo & Wardiatno, Yusli', 4],
    ['Hirose, Euichi & Oka, Atsushi T.', 1],
    ['Hirose, Euichi & Oka, Atsushi T. & Hirose, Mamiko', 2],
    ['Hirose, Mamiko & Hirose, Euichi', 1],
    ['Kott, Patricia', 5],
    ['Lambert, Gretchen', 1],
    ['Lambert, Gretchen & Lee, Serina Siew-Chen & Teo, Serena Lay-Ming', 2],
    ['Monniot, Françoise', 1],
    ['Monniot, Françoise & Monniot, Claude', 6],
    ['Oka, Atsushi T. & Suetsugu, Mayu & Hirose, Euichi', 2],
    ['Page, M. J.', 1],
    ['Page, M. J. & Willis, T. J. & Handley, S. J.', 2],
    ['Rocha, Rosana Moreira Da & Neves, Isabela Monteiro', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);