function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dorchin, Netta & Freidberg, Amnon', 16],
    ['Dorchin, Netta & Mcevoy, Miles V. & Dowling, Todd A.', 18],
    ['Fedotova, Z. A. & Perkovsky, E. E.', 16],
    ['Fedotova, Zoya Aleksandrovna & Perkovsky, Evgeny Eduardovich', 22],
    ['Felt, Ephraim Porter', 14],
    ['Jaschhof, Mathias', 132],
    ['Jaschhof, Mathias & Jaschhof, Catrin', 331],
    ['Jaschhof, Mathias & Spungis, Voldemars', 18],
    ['Kolesik, Peter & Gagné, Raymond J.', 86],
    ['Maia, Valéria Cid', 70],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 16],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 20],
    ['Sikora, Tomáš & Jaschhof, Mathias & Kurina, Olavi', 55],
    ['Sikora, Tomáš & Jaschhof, Mathias & Ševčík, Jan', 82],
    ['Ševčík, Jan & Hippa, Heikki & Burdíková, Nikola', 45],
    ['Other (89)', 247]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1188)',
    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);