function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Peter', 5],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 7],
    ['Davie, Peter J. F. & Ng, Peter K. L.', 5],
    ['Lagare, Nickel Jean S. & Mapi-Ot, Emmarie F. & Molina, Ziljih S.', 13],
    ['Li, Jheng-Jhang & Rahayu, Dwi Listyo & Ng, Peter K. L.', 10],
    ['Naderloo, Reza', 5],
    ['Naderloo, Reza & Türkay, Michael', 6],
    ['Naruse, Tohru & Ng, Peter K. L.', 30],
    ['Ng, Peter K. L.', 14],
    ['Ng, Peter K. L. & Wowor, Daisy', 12],
    ['Ragionieri, Lapo & Fratini, Sara & Schubart, Christoph D.', 5],
    ['Rahayu, Dwi Listyo & Ng, Peter K. L.', 6],
    ['Schubart, Christoph D. & Liu, Hung-Chang & Ng, Peter K. L.', 6],
    ['Schubart, Christoph D. & Ng, Peter K. L.', 47],
    ['Wowor, Daisy & Ng, Peter K. L.', 5],
    ['Other (50)', 94]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=270)',
    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);