function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. W', 5],
    ['Ban, C. & Ljubomirov, T.', 11],
    ['Byvaltsev, A. M. & Belova, K. A. & Danilov, Yu. N.', 8],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 14],
    ['Filho, Léo Correia Da Rocha & Packer, Laurence', 8],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 12],
    ['Lhomme, Patrick', 18],
    ['Madl, Michael', 5],
    ['Maharramov, M. M. & Fateryga, A. V. & Proshchalykin, M. Yu.', 7],
    ['McCabe, Lindsie M & Chesshire, Paige R & Smith, David R', 5],
    ['Nkulu, Alain Tshibungu & Pauly, Alain & Dorchin, Achik', 25],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 15],
    ['Reese, Elizabeth G. & Burkle, Laura A. & Delphia, Casey M.', 7],
    ['Zettel, Herbert & Ockermüller, Esther & Schoder, Sabine', 7],
    ['Özbek, Hikmet & Schwarz, Maximilian & L, Coelioxys', 17],
    ['Other (18)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=197)',
    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);