function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ghahari, Hassan & Moulet, Pierre & Linnavuori, Rauno E.', 34],
    ['Heiss, Ernst & Eckelt, Andreas & Lederwasch, Manfred', 39],
    ['Linnavuori, Rauno E.', 34],
    ['María C. Melo & Gimena Dellapé & Leonela Olivera', 11],
    ['Melo, M. C. & Montemayor, S. I.', 34],
    ['Melo, María Cecilia & Henry, Thomas J.', 18],
    ['Norbiato, Margherita & Dioli, Paride & Cianferoni, Fabio', 8],
    ['Pall, José Luis & Coscarón, María del Camen', 40],
    ['Rédei, Dávid', 13],
    ['Sakenin, H. & Samin, N. & Rastegari, J. & Havaskary, M.', 11],
    ['Vilímová, Jitka & Rohanová, Markéta', 12],
    ['Vinokurov, N. N. & Rudoi, V. V.', 8],
    ['Vinokurov, Nikolay N. & Rudoi, Valentin V.', 12],
    ['Yildirim, E. & G. Yazici & Linnavuori, R.', 12],
    ['Yildirim, E. & Yazici, G. & Moulet, P.', 15],
    ['Other (21)', 58]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=359)',
    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);