function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. W', 2],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 7],
    ['Delphia, Casey M. & Griswold, Terry & Reese, Elizabeth G.', 8],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 8],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 8],
    ['Gonzalez, Victor H. & Ascher, John S. & Engel, Michael S.', 2],
    ['Karremans, Adam P. & Rojas-Alvarado, Gustavo', 43],
    ['Lhomme, Patrick', 12],
    ['Maharramov, M. M. & Fateryga, A. V. & Proshchalykin, M. Yu.', 3],
    ['Parker, Frank D. & Griswold, Terry', 12],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 8],
    ['Reese, Elizabeth G. & Burkle, Laura A. & Delphia, Casey M.', 12],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 3],
    ['Vega, Hermes & Cetzal-Ix, William & Mó, Edgar', 25],
    ['Zettel, Herbert & Ockermüller, Esther & Schoder, Sabine', 5],
    ['Other (14)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=176)',
    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);