function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A, Magnanelli Marco & Coscarón, Maria Del Carmen', 1],
    ['Ghahari, Hassan & Chérot, Frédéric & Linnavuori, Rauno', 1],
    ['Hollier, John & Stöckli, Eduard & Wesener, Thomas', 12],
    ['John Hollier & Edmund Schiller & Nesrine Akkari', 1],
    ['Krüger, Andreas & Deckert, Jürgen', 3],
    ['Lis, Jerzy A. & Lis, Barbara & Compton, Stephen G.', 3],
    ['Mesibov, Robert', 177],
    ['Mesibov, Robert & Rodriguez, Juanita', 2],
    ['Mesibov, Robert & Wesener, Thomas & Hollier, John', 1],
    ['Pugh, P. J. A.', 3],
    ['Shelley, Rowland M. & Golovatch, Sergei I.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=206)',
    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);