function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Handal, Adil Y. & Compère, Pierre', 1],
    ['Al-Handal, Adil Y. & Thomas, Evan W. & Pennesi, Chiara', 4],
    ['Al-Handal, Adil Y. & Torstensson, Anders & Wulff, Angela', 1],
    ['Bertolli, Lucielle M. & Talgatti, Dávia M. & Torgan, Lezilda C.', 1],
    ['Bertolli, Lucielle Merlym & Talgatti, Dávia Marciana', 2],
    ['Ferreira da Silva, Juliana & Oliveira, Maria Angélica', 3],
    ['Grizancic, Lana & Baricevic, Ana & Smodlaka Tankovic, Mirta', 2],
    ['Im, Ari & Park, Jong Seong Khim and Jinsoon', 2],
    ['Kusber, Wolf-Henning & Cantonati, Marco & Lange-Bertalot, Horst', 2],
    ['Lobban, Christopher S. & Witkowski, Andrzej', 2],
    ['Long, Ji-Yan & Williams, David M. & Liu, Bing & Zhou, Yang-Yan', 2],
    ['Makarkin, Vladimir N.', 2],
    ['Mateusz, Rybak & Natalia, Kochman-Kędziora', 5],
    ['Park, Joon Sang & Lobban, Christopher S. & Lee, Kyun-Woo', 5],
    ['Rautenberger, Ralf', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    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);