function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 1],
    ['Byvaltsev, A. M. & Belova, K. A. & Danilov, Yu. N.', 1],
    ['Cornalba, Maurizio & Quaranta, Marino & Selis, Marco', 1],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 1],
    ['Güler, Y.', 2],
    ['Kasparek, Max', 23],
    ['Lhomme, Patrick', 3],
    ['Madl, Michael', 1],
    ['Maharramov, M. M. & Fateryga, A. V. & Proshchalykin, M. Yu.', 1],
    ['Nalinrachatakan, Pakorn & Ascher, John S. & Kasparek, Max', 2],
    ['Niu, Ze-Qing & Ascher, John S. & Orr, Michael C.', 10],
    ['Panzer, Georg Wolfgang Franz', 1],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 1],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 4],
    ['Schmid, C.', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    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);