function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amati, Bruno & Giulio, Andrea Di & Oliverio, Marco', 47],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 64],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 47],
    ['Fehse, Dirk', 65],
    ['Gofas, Serge', 63],
    ['Grego, Jozef', 64],
    ['Hansen, Thomas', 53],
    ['Harzhauser, Mathias & Guzhov, Aleksandr & Landau, Bernard', 144],
    ['Linnaeus, Carolus', 66],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 44],
    ['Maxwell, Stephen J. & Rymer, Tasmin L. & Congdon, Bradley C.', 53],
    ['Reid, David G.', 43],
    ['Rubio, F. & Rolán, E.', 42],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 46],
    ['Wesselingh, Frank & Poorten, Jan Johan ter & Kijashko, Pavel', 71],
    ['Other (393)', 2093]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3005)',
    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);