function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amini, Sudabe & Nozari, Jamasb & Martinez, Isabel', 1],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 1],
    ['Beaver, R. A. & Liu, L. Y.', 4],
    ['Beaver, Roger A. & Ghahari, Hassan & Sanguansub, Sunisa', 3],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Bright, Donald E.', 3],
    ['Douglas, Hume & Bouchard, Patrice & Anderson, Robert S.', 1],
    ['Faccoli, Massimo & Sidoti, Agatino', 1],
    ['Smith, Sarah M. & Petrov, Alexander V. & Cognato, Anthony I.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);