function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bejarano, Eduar Elías & Estrada, Luis Gregorio', 10],
    ['Bravo, Freddy & Cordeiro, Danilo & Chagas, Cinthia', 6],
    ['Canneva, Bruno', 4],
    ['Cordeiro, Danilo & Bravo, Freddy & De, Claudio J. B.', 28],
    ['Cordeiro, Danilo Pacheco', 17],
    ['Ibáñez-Bernal, Sergio & Durán-Luz, Juana', 15],
    ['Ivkovic, Marija & Doric, Valentina & Baranov, Viktor', 2],
    ['Ježek, Jan', 2],
    ['Ježek, Jan & Hájek, Josef', 3],
    ['Ježek, Jan & Manko, Peter & Oboňa, Jozef', 2],
    ['Kvifte, Gunnar Mikalsen & Stokkan, Morten & Wagner, Ruediger', 7],
    ['Latreille, Pierre André', 2],
    ['Quate, Laurence W.', 3],
    ['Sinclair, Bradley J.', 4],
    ['Wagner, Rüdiger & Andrade, Rui & Gonçalves, Ana', 8],
    ['Other (18)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=134)',
    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);