function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beaucournu, Jean-Claude & Fahr, Jakob', 1],
    ['Berrizbeitia, M. Fernanda Lopez & Sanchez, R. Tatiana', 2],
    ['Hastriter, Michael', 2],
    ['Hastriter, Michael W.', 7],
    ['Hastriter, Michael W. & Bush, Sarah E.', 5],
    ['Hastriter, Michael W. & Miller, Kelly B. & Svenson, Gavin J.', 2],
    ['Keskin, Adem & Hastriter, Michael W. & Beaucournu, Jean-Claude', 13],
    ['Lareschi, Marcela & Sanchez, Juliana & Autino, Analía', 6],
    ['Laudisoit, Anne & Prié, Vincent & Beaucournu, Jean-Claude', 2],
    ['Orlova, M. V. & Orlov, O. L.', 9],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);