function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benamar, Loubna & Bennas, Nard & Hassoun, Mustapha', 50],
    ['Benetti, Cesar J. & Hamada, Neusa', 3],
    ['Bilton, David T.', 3],
    ['Ertorun, Nesil & Jäch, Manfred A.', 2],
    ['Ertorun, Nesil & Jäch, Manfred A. & Kasapoġlu, Ahmet', 56],
    ['Ghosh, Joyjit & Saini, Jagdish & Gupta, Devanshu', 21],
    ['Lamine, Smail & Lounaci, Abdelkader & Bennas, Nard', 5],
    ['Lee, Dae-Hyun & Ahn, Kee-Jeong', 7],
    ['PROKIN, Alexander A. & LITOVKIN, Stanislav V. & JÄCH, Manfred A.', 21],
    ['Perkins, Philip D.', 79],
    ['Ribera, Ignacio & Hernando, Carles & Cieslak, Alexandra', 6],
    ['Salah, Mohamed & Cueto, Juan Antonio Régil & Valladares, Luis F.', 19],
    ['Valladares, Luis F. & Jäch, Manfred A.', 2],
    ['Valladares, Luis F. & Short, Andrew Edward Z.', 2],
    ['Zinchenko, V. K.', 2],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=289)',
    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);