function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, Eyjolf & Behounek, Gottfried & Hoppe, Henri', 6],
    ['Blas, Germán San', 28],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Butler, Arthur G.', 1],
    ['Guenée, Achille', 3],
    ['Gyulai, Peter & Saldaitis, Aidas & Truuverk, Andro', 2],
    ['Howes, George', 1],
    ['Kirkpatrick, Jessica & Prestes, Andersonn & Eiben, Jesse', 2],
    ['Komal, J. & Shashank, P. R. & Sondhi, Sanjay & Madan, Sohail', 3],
    ['Manceñido-González, David César', 1],
    ['Matov, A. Yu. & Komarovov, E. V.', 1],
    ['Mbata, Keith J. & Prins, Jurate De', 3],
    ['Pogue, Michael G.', 5],
    ['Ronkay, Laszlo & Huemer, Peter', 2],
    ['Weidlich, Michael', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    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);