function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ashmead, William Harris', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 22],
    ['Ghahari, H. & Hayat, R. & Tabari, M. & Ostovan, H. & Imani, S.', 2],
    ['Nasir, Farooq Muhammad & Büttner, Carmen & Reichmuth, Christoph', 1],
    ['Oatman, E. R. & Pinto, John D. & Platner, G. R.', 1],
    ['Pinto, John D. & Oatman, Earl R.', 3],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Pérez-Benavides, A. Lucía & Hernández-Baz, Fernando', 1],
    ['Querino, R. B. & Zucchi, R. A.', 10],
    ['Querino, Ranyse B. & Mendes, Jaci V. & Costa, Valmir A.', 3],
    ['Querino, Ranyse B. & Zucchi, Roberto A.', 44],
    ['Riley, Charles V.', 2],
    ['Swezey, O. H.', 3],
    ['Vieira, Jaci M. & Querino, Ranyse B. & Zucchi, Roberto A.', 3],
    ['Woelke, Jozef B. & Fursov, Viktor N. & Gumovsky, Alex V.', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=103)',
    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);