function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ban, C. & Ljubomirov, T.', 2],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 4],
    ['Byvaltsev, A. M. & Belova, K. A. & Danilov, Yu. N.', 1],
    ['Delphia, Casey M. & Griswold, Terry & Reese, Elizabeth G.', 3],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 4],
    ['Engel, Michael S.', 1],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 3],
    ['Gonzalez, Victor H. & Sepúlveda, Paula A. & Griswold, Terry L.', 1],
    ['Güler, Y.', 1],
    ['Lhomme, Patrick', 5],
    ['Maharramov, M. M. & Fateryga, A. V. & Proshchalykin, M. Yu.', 2],
    ['McCabe, Lindsie M & Chesshire, Paige R & Smith, David R', 2],
    ['Nkulu, Alain Tshibungu & Pauly, Alain & Dorchin, Achik', 9],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 4],
    ['Reese, Elizabeth G. & Burkle, Laura A. & Delphia, Casey M.', 3],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);