function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chagas-Jr, Amazonas & Bichuette, Maria Elina', 43],
    ['Chagas-Jr, Amazonas & Chaparro, Elisa', 40],
    ['Chagas-Júnior, Amazonas', 22],
    ['Cupul-Magaña, Fabio Germán', 26],
    ['Hollier, John & Stagl, Verena', 29],
    ['Lewis, J. G. E.', 23],
    ['Lewis, John G. E.', 107],
    ['Marzio Zapparoli', 16],
    ['Schileyko, Arkady A.', 18],
    ['Schileyko, Arkady A. & Stoev, Pavel E.', 17],
    ['Schileyko, Arkady A. & Vahtera, Varpu & Edgecombe, Gregory D.', 37],
    ['Simaiakis, Stylianos Michail & Edgecombe, Gregory D.', 30],
    ['Thofern, Detlef & Dupérré, Nadine & Harms, Danilo', 78],
    ['Tran, Binh T. T. & Le, Son X. & Nguyen, Anh D.', 46],
    ['Wood, Horatio C.', 20],
    ['Other (67)', 287]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=839)',
    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);