function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akimov, I. A. & Didyk Trichinellosis, Yu. M. & It & Trichinella', 1],
    ['Animalesto, Gloria & Dewi, Kartika & Apriyanti, Yuni', 3],
    ['Fugassa, Martin H.', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Guillermo Panisse & María Del Rosario Robles', 4],
    ['Hasegawa, Hideo & Dewi, Kartika', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 3],
    ['Smales, L. R.', 1],
    ['Varodi, E. I. & Malega, A. M. & Kuzmin, Y. I.', 1],
    ['Zvegintsova, N. S. & Kharchenko, V. A. & Kuzmina, T. A.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);